Mock Version: 5.9
Mock Version: 5.9
Mock Version: 5.9
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bs --noclean --target ppc64le --nodeps /builddir/build/SPECS/rust-syn1.spec'], chrootPath='/var/lib/mock/f42-build-55897329-6539459/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fff9e6d0e20>timeout=201600uid=1000gid=425user='mockbuild'unshare_net=TrueprintOutput=Falsenspawn_args=['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11'])
Using nspawn with args ['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', 'd2f1c5d6110e4243810eeb9478cb4e83', '-D', '/var/lib/mock/f42-build-55897329-6539459/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bs --noclean --target ppc64le --nodeps /builddir/build/SPECS/rust-syn1.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0', 'SYSTEMD_SECCOMP': '0'} and shell False
Building target platforms: ppc64le
Building for target ppc64le
setting SOURCE_DATE_EPOCH=1721433600
Wrote: /builddir/build/SRPMS/rust-syn1-1.0.109-4.fc42.src.rpm
Child return code was: 0
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -br --noclean --target ppc64le --nodeps /builddir/build/SPECS/rust-syn1.spec'], chrootPath='/var/lib/mock/f42-build-55897329-6539459/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fff9e6d0e20>timeout=201600uid=1000gid=425user='mockbuild'unshare_net=TrueraiseExc=FalseprintOutput=Falsenspawn_args=['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11'])
Using nspawn with args ['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', '88ac485264f94567a5864521a4a549c6', '-D', '/var/lib/mock/f42-build-55897329-6539459/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -br --noclean --target ppc64le --nodeps /builddir/build/SPECS/rust-syn1.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0', 'SYSTEMD_SECCOMP': '0'} and shell False
Building target platforms: ppc64le
Building for target ppc64le
setting SOURCE_DATE_EPOCH=1721433600
Executing(%mkbuilddir): /bin/sh -e /var/tmp/rpm-tmp.bT5ODu
+ umask 022
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ test -d /builddir/build/BUILD/rust-syn1-1.0.109-build
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w /builddir/build/BUILD/rust-syn1-1.0.109-build
+ /usr/bin/rm -rf /builddir/build/BUILD/rust-syn1-1.0.109-build
+ /usr/bin/mkdir -p /builddir/build/BUILD/rust-syn1-1.0.109-build
+ /usr/bin/mkdir -p /builddir/build/BUILD/rust-syn1-1.0.109-build/SPECPARTS
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.5c7UCa
+ umask 022
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ rm -rf syn-1.0.109
+ /usr/lib/rpm/rpmuncompress -x /builddir/build/SOURCES/syn-1.0.109.crate
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd syn-1.0.109
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ set -euo pipefail
+ /usr/bin/mkdir -p target/rpm
+ /usr/bin/ln -s rpm target/release
+ /usr/bin/rm -rf .cargo/
+ /usr/bin/mkdir -p .cargo
+ cat
+ cat
+ /usr/bin/rm -f Cargo.lock
+ /usr/bin/rm -f Cargo.toml.orig
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%generate_buildrequires): /bin/sh -e /var/tmp/rpm-tmp.h3P8Vw
+ umask 022
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ cd syn-1.0.109
+ /usr/bin/cargo2rpm --path Cargo.toml buildrequires
+ RPM_EC=0
++ jobs -p
+ exit 0
Wrote: /builddir/build/SRPMS/rust-syn1-1.0.109-4.fc42.buildreqs.nosrc.rpm
Child return code was: 11
Dynamic buildrequires detected
Going to install missing buildrequires. See root.log for details.
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -br --noprep --noclean --target ppc64le --nodeps /builddir/build/SPECS/rust-syn1.spec'], chrootPath='/var/lib/mock/f42-build-55897329-6539459/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fff9e6d0e20>timeout=201600uid=1000gid=425user='mockbuild'unshare_net=TrueraiseExc=FalseprintOutput=Falsenspawn_args=['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11'])
Using nspawn with args ['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', 'a18f4a82b8554fbbb18f7e8c496d005a', '-D', '/var/lib/mock/f42-build-55897329-6539459/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -br --noprep --noclean --target ppc64le --nodeps /builddir/build/SPECS/rust-syn1.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0', 'SYSTEMD_SECCOMP': '0'} and shell False
Building target platforms: ppc64le
Building for target ppc64le
setting SOURCE_DATE_EPOCH=1721433600
Executing(%generate_buildrequires): /bin/sh -e /var/tmp/rpm-tmp.ubrnT2
+ umask 022
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ cd syn-1.0.109
+ /usr/bin/cargo2rpm --path Cargo.toml buildrequires
+ RPM_EC=0
++ jobs -p
+ exit 0
Wrote: /builddir/build/SRPMS/rust-syn1-1.0.109-4.fc42.buildreqs.nosrc.rpm
Child return code was: 11
Dynamic buildrequires detected
Going to install missing buildrequires. See root.log for details.
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -ba --noprep --noclean --target ppc64le /builddir/build/SPECS/rust-syn1.spec'], chrootPath='/var/lib/mock/f42-build-55897329-6539459/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fff9e6d0e20>timeout=201600uid=1000gid=425user='mockbuild'unshare_net=TrueprintOutput=Falsenspawn_args=['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11'])
Using nspawn with args ['--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', 'f22d3e4c04d04381a944c73c3654efb8', '-D', '/var/lib/mock/f42-build-55897329-6539459/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.1bq101rg:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/fuse', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -ba --noprep --noclean --target ppc64le /builddir/build/SPECS/rust-syn1.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0', 'SYSTEMD_SECCOMP': '0'} and shell False
Building target platforms: ppc64le
Building for target ppc64le
setting SOURCE_DATE_EPOCH=1721433600
Executing(%generate_buildrequires): /bin/sh -e /var/tmp/rpm-tmp.sE5O9i
+ umask 022
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ cd syn-1.0.109
+ /usr/bin/cargo2rpm --path Cargo.toml buildrequires
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.yKwyYQ
+ umask 022
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ CFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection '
+ export CFLAGS
+ CXXFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection '
+ export CXXFLAGS
+ FFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection -I/usr/lib64/gfortran/modules '
+ export FFLAGS
+ FCFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection -I/usr/lib64/gfortran/modules '
+ export FCFLAGS
+ VALAFLAGS=-g
+ export VALAFLAGS
+ RUSTFLAGS='-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn'
+ export RUSTFLAGS
+ LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes '
+ export LDFLAGS
+ LT_SYS_LIBRARY_PATH=/usr/lib64:
+ export LT_SYS_LIBRARY_PATH
+ CC=gcc
+ export CC
+ CXX=g++
+ export CXX
+ cd syn-1.0.109
+ /usr/bin/env CARGO_HOME=.cargo RUSTC_BOOTSTRAP=1 'RUSTFLAGS=-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn' /usr/bin/cargo build -j8 -Z avoid-dev-deps --profile rpm
   Compiling proc-macro2 v1.0.92
   Compiling unicode-ident v1.0.14
   Compiling syn v1.0.109 (/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109)
     Running `/usr/bin/rustc --crate-name build_script_build --edition=2021 /usr/share/cargo/registry/proc-macro2-1.0.92/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("default", "nightly", "proc-macro", "span-locations"))' -C metadata=c2a90274728e6026 -C extra-filename=-c2a90274728e6026 --out-dir /builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/build/proc-macro2-c2a90274728e6026 -L dependency=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps --cap-lints allow -Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn`
     Running `/usr/bin/rustc --crate-name unicode_ident --edition=2018 /usr/share/cargo/registry/unicode-ident-1.0.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=d15eb0bb534eabc8 -C extra-filename=-d15eb0bb534eabc8 --out-dir /builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps -L dependency=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps --cap-lints allow -Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn`
     Running `/usr/bin/rustc --crate-name build_script_build --edition=2018 build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=78713582b8bdf8ef -C extra-filename=-78713582b8bdf8ef --out-dir /builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/build/syn-78713582b8bdf8ef -L dependency=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps -Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn`
     Running `/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/build/syn-78713582b8bdf8ef/build-script-build`
     Running `/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/build/proc-macro2-c2a90274728e6026/build-script-build`
     Running `/usr/bin/rustc --crate-name proc_macro2 --edition=2021 /usr/share/cargo/registry/proc-macro2-1.0.92/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2 --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("default", "nightly", "proc-macro", "span-locations"))' -C metadata=ce84b28d308316cf -C extra-filename=-ce84b28d308316cf --out-dir /builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps -L dependency=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps --extern unicode_ident=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps/libunicode_ident-d15eb0bb534eabc8.rmeta --cap-lints allow -Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn --cfg wrap_proc_macro --cfg proc_macro_span --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(no_is_available)' --check-cfg 'cfg(no_literal_byte_character)' --check-cfg 'cfg(no_literal_c_string)' --check-cfg 'cfg(no_source_text)' --check-cfg 'cfg(proc_macro_span)' --check-cfg 'cfg(procmacro2_backtrace)' --check-cfg 'cfg(procmacro2_nightly_testing)' --check-cfg 'cfg(procmacro2_semver_exempt)' --check-cfg 'cfg(randomize_layout)' --check-cfg 'cfg(span_locations)' --check-cfg 'cfg(super_unstable)' --check-cfg 'cfg(wrap_proc_macro)'`
   Compiling quote v1.0.37
     Running `/usr/bin/rustc --crate-name quote --edition=2018 /usr/share/cargo/registry/quote-1.0.37/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2 --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("default", "proc-macro"))' -C metadata=e32751c40cc28984 -C extra-filename=-e32751c40cc28984 --out-dir /builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps -L dependency=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps --extern proc_macro2=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps/libproc_macro2-ce84b28d308316cf.rmeta --cap-lints allow -Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn`
     Running `/usr/bin/rustc --crate-name syn --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=c2247b8bc1ea3d4e -C extra-filename=-c2247b8bc1ea3d4e --out-dir /builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps -L dependency=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps --extern proc_macro2=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps/libproc_macro2-ce84b28d308316cf.rmeta --extern quote=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps/libquote-e32751c40cc28984.rmeta --extern unicode_ident=/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109/target/rpm/deps/libunicode_ident-d15eb0bb534eabc8.rmeta -Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn --cfg syn_disable_nightly_tests`
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:254:13
    |
254 | #![cfg_attr(doc_cfg, feature(doc_cfg))]
    |             ^^^^^^^
    |
    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: `#[warn(unexpected_cfgs)]` on by default
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:430:12
    |
430 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:434:12
    |
434 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:455:12
    |
455 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "printing"))))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:804:12
    |
804 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:867:12
    |
867 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "proc-macro"))))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:887:12
    |
887 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lib.rs:916:12
    |
916 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/group.rs:136:12
    |
136 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/group.rs:214:12
    |
214 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/group.rs:269:12
    |
269 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:561:12
    |
561 | #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:569:12
    |
569 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_omit_await_from_token_macro`
   --> src/token.rs:881:11
    |
881 | #[cfg(not(syn_omit_await_from_token_macro))]
    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_omit_await_from_token_macro)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_omit_await_from_token_macro)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_omit_await_from_token_macro`
   --> src/token.rs:883:7
    |
883 | #[cfg(syn_omit_await_from_token_macro)]
    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_omit_await_from_token_macro)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_omit_await_from_token_macro)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:394:24
    |
394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
556 | / define_punctuation_structs! {
557 | |     "_" pub struct Underscore/1 /// `_`
558 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:398:24
    |
398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
556 | / define_punctuation_structs! {
557 | |     "_" pub struct Underscore/1 /// `_`
558 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:271:24
    |
271 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
652 | / define_keywords! {
653 | |     "abstract"    pub struct Abstract     /// `abstract`
654 | |     "as"          pub struct As           /// `as`
655 | |     "async"       pub struct Async        /// `async`
...   |
704 | |     "yield"       pub struct Yield        /// `yield`
705 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:275:24
    |
275 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
652 | / define_keywords! {
653 | |     "abstract"    pub struct Abstract     /// `abstract`
654 | |     "as"          pub struct As           /// `as`
655 | |     "async"       pub struct Async        /// `async`
...   |
704 | |     "yield"       pub struct Yield        /// `yield`
705 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:309:24
    |
309 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                          ^^^^^^^
...
652 | / define_keywords! {
653 | |     "abstract"    pub struct Abstract     /// `abstract`
654 | |     "as"          pub struct As           /// `as`
655 | |     "async"       pub struct Async        /// `async`
...   |
704 | |     "yield"       pub struct Yield        /// `yield`
705 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:317:24
    |
317 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                          ^^^^^^^
...
652 | / define_keywords! {
653 | |     "abstract"    pub struct Abstract     /// `abstract`
654 | |     "as"          pub struct As           /// `as`
655 | |     "async"       pub struct Async        /// `async`
...   |
704 | |     "yield"       pub struct Yield        /// `yield`
705 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:444:24
    |
444 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                          ^^^^^^^
...
707 | / define_punctuation! {
708 | |     "+"           pub struct Add/1        /// `+`
709 | |     "+="          pub struct AddEq/2      /// `+=`
710 | |     "&"           pub struct And/1        /// `&`
...   |
753 | |     "~"           pub struct Tilde/1      /// `~`
754 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:452:24
    |
452 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                          ^^^^^^^
...
707 | / define_punctuation! {
708 | |     "+"           pub struct Add/1        /// `+`
709 | |     "+="          pub struct AddEq/2      /// `+=`
710 | |     "&"           pub struct And/1        /// `&`
...   |
753 | |     "~"           pub struct Tilde/1      /// `~`
754 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:394:24
    |
394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
707 | / define_punctuation! {
708 | |     "+"           pub struct Add/1        /// `+`
709 | |     "+="          pub struct AddEq/2      /// `+=`
710 | |     "&"           pub struct And/1        /// `&`
...   |
753 | |     "~"           pub struct Tilde/1      /// `~`
754 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:398:24
    |
398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
707 | / define_punctuation! {
708 | |     "+"           pub struct Add/1        /// `+`
709 | |     "+="          pub struct AddEq/2      /// `+=`
710 | |     "&"           pub struct And/1        /// `&`
...   |
753 | |     "~"           pub struct Tilde/1      /// `~`
754 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:503:24
    |
503 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
756 | / define_delimiters! {
757 | |     "{"           pub struct Brace        /// `{...}`
758 | |     "["           pub struct Bracket      /// `[...]`
759 | |     "("           pub struct Paren        /// `(...)`
760 | |     " "           pub struct Group        /// None-delimited group
761 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/token.rs:507:24
    |
507 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                          ^^^^^^^
...
756 | / define_delimiters! {
757 | |     "{"           pub struct Brace        /// `{...}`
758 | |     "["           pub struct Bracket      /// `[...]`
759 | |     "("           pub struct Paren        /// `(...)`
760 | |     " "           pub struct Group        /// None-delimited group
761 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/ident.rs:38:12
   |
38 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:463:12
    |
463 | #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:148:16
    |
148 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:329:16
    |
329 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:360:16
    |
360 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/attr.rs:336:1
    |
336 | / ast_enum_of_structs! {
337 | |     /// Content of a compile-time structured attribute.
338 | |     ///
339 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
...   |
369 | |     }
370 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:377:16
    |
377 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:390:16
    |
390 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:417:16
    |
417 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/attr.rs:412:1
    |
412 | / ast_enum_of_structs! {
413 | |     /// Element of a compile-time attribute list.
414 | |     ///
415 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
...   |
425 | |     }
426 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:165:16
    |
165 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:213:16
    |
213 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:223:16
    |
223 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:237:16
    |
237 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:251:16
    |
251 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:557:16
    |
557 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:565:16
    |
565 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:573:16
    |
573 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:581:16
    |
581 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:630:16
    |
630 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:644:16
    |
644 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/attr.rs:654:16
    |
654 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
 --> src/data.rs:9:16
  |
9 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
  |                ^^^^^^^
  |
  = help: consider using a Cargo feature instead
  = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
           [lints.rust]
           unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
  = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
  = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/data.rs:36:16
   |
36 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/data.rs:25:1
    |
25  | / ast_enum_of_structs! {
26  | |     /// Data stored within an enum variant or struct.
27  | |     ///
28  | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
...   |
47  | |     }
48  | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/data.rs:56:16
   |
56 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/data.rs:68:16
   |
68 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:153:16
    |
153 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:185:16
    |
185 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/data.rs:173:1
    |
173 | / ast_enum_of_structs! {
174 | |     /// The visibility level of an item: inherited or `pub` or
175 | |     /// `pub(restricted)`.
176 | |     ///
...   |
199 | |     }
200 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:207:16
    |
207 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:218:16
    |
218 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:230:16
    |
230 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:246:16
    |
246 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:275:16
    |
275 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:286:16
    |
286 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:327:16
    |
327 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:299:20
    |
299 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:315:20
    |
315 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:423:16
    |
423 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:436:16
    |
436 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:445:16
    |
445 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:454:16
    |
454 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:467:16
    |
467 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:474:16
    |
474 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/data.rs:481:16
    |
481 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/expr.rs:89:16
   |
89 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_non_exhaustive`
  --> src/expr.rs:90:20
   |
90 |     #[cfg_attr(not(syn_no_non_exhaustive), non_exhaustive)]
   |                    ^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_non_exhaustive)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/expr.rs:14:1
    |
14  | / ast_enum_of_structs! {
15  | |     /// A Rust expression.
16  | |     ///
17  | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
...   |
249 | |     }
250 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:256:16
    |
256 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:268:16
    |
268 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:281:16
    |
281 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:294:16
    |
294 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:307:16
    |
307 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:321:16
    |
321 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:334:16
    |
334 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:346:16
    |
346 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:359:16
    |
359 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:373:16
    |
373 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:387:16
    |
387 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:400:16
    |
400 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:418:16
    |
418 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:431:16
    |
431 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:444:16
    |
444 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:464:16
    |
464 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:480:16
    |
480 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:495:16
    |
495 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:508:16
    |
508 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:523:16
    |
523 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:534:16
    |
534 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:547:16
    |
547 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:558:16
    |
558 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:572:16
    |
572 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:588:16
    |
588 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:604:16
    |
604 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:616:16
    |
616 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:629:16
    |
629 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:643:16
    |
643 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:657:16
    |
657 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:672:16
    |
672 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:687:16
    |
687 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:699:16
    |
699 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:711:16
    |
711 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:723:16
    |
723 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:737:16
    |
737 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:749:16
    |
749 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:761:16
    |
761 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:775:16
    |
775 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:850:16
    |
850 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/expr.rs:920:16
    |
920 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_non_exhaustive`
   --> src/expr.rs:246:15
    |
246 |         #[cfg(syn_no_non_exhaustive)]
    |               ^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_non_exhaustive)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_const_vec_new`
   --> src/expr.rs:784:40
    |
784 |     #[cfg(all(feature = "parsing", not(syn_no_const_vec_new)))]
    |                                        ^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_const_vec_new)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_const_vec_new)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:1159:16
     |
1159 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:2063:16
     |
2063 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:2818:16
     |
2818 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:2832:16
     |
2832 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:2879:16
     |
2879 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_const_vec_new`
    --> src/expr.rs:2905:23
     |
2905 |             #[cfg(not(syn_no_const_vec_new))]
     |                       ^^^^^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_const_vec_new)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_const_vec_new)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_const_vec_new`
    --> src/expr.rs:2907:19
     |
2907 |             #[cfg(syn_no_const_vec_new)]
     |                   ^^^^^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_const_vec_new)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_const_vec_new)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3008:16
     |
3008 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3072:16
     |
3072 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3082:16
     |
3082 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3091:16
     |
3091 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3099:16
     |
3099 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3338:16
     |
3338 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3348:16
     |
3348 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3358:16
     |
3358 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3367:16
     |
3367 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3400:16
     |
3400 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/expr.rs:3501:16
     |
3501 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:296:5
    |
296 |     doc_cfg,
    |     ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:307:5
    |
307 |     doc_cfg,
    |     ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:318:5
    |
318 |     doc_cfg,
    |     ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/generics.rs:14:16
   |
14 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/generics.rs:35:16
   |
35 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/generics.rs:23:1
    |
23  | / ast_enum_of_structs! {
24  | |     /// A generic type parameter, lifetime, or const generic: `T: Into<String>`,
25  | |     /// `'a: 'b`, `const LEN: usize`.
26  | |     ///
...   |
45  | |     }
46  | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/generics.rs:53:16
   |
53 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/generics.rs:69:16
   |
69 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/generics.rs:83:16
   |
83 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:363:20
    |
363 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
404 | generics_wrapper_impls!(ImplGenerics);
    | ------------------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generics_wrapper_impls` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:363:20
    |
363 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
406 | generics_wrapper_impls!(TypeGenerics);
    | ------------------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generics_wrapper_impls` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:363:20
    |
363 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
408 | generics_wrapper_impls!(Turbofish);
    | ---------------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generics_wrapper_impls` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:426:16
    |
426 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:475:16
    |
475 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/generics.rs:470:1
    |
470 | / ast_enum_of_structs! {
471 | |     /// A trait or lifetime used as a bound on a type parameter.
472 | |     ///
473 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
...   |
479 | |     }
480 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:487:16
    |
487 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:504:16
    |
504 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:517:16
    |
517 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:535:16
    |
535 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/generics.rs:524:1
    |
524 | / ast_enum_of_structs! {
525 | |     /// A single predicate in a `where` clause: `T: Deserialize<'de>`.
526 | |     ///
527 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
...   |
545 | |     }
546 | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:553:16
    |
553 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:570:16
    |
570 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:583:16
    |
583 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:347:9
    |
347 |         doc_cfg,
    |         ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:597:16
    |
597 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:660:16
    |
660 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:687:16
    |
687 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:725:16
    |
725 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:747:16
    |
747 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:758:16
    |
758 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:812:16
    |
812 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:856:16
    |
856 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:905:16
    |
905 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:916:16
    |
916 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:940:16
    |
940 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:971:16
    |
971 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/generics.rs:982:16
    |
982 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1057:16
     |
1057 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1207:16
     |
1207 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1217:16
     |
1217 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1229:16
     |
1229 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1268:16
     |
1268 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1300:16
     |
1300 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1310:16
     |
1310 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1325:16
     |
1325 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1335:16
     |
1335 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1345:16
     |
1345 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/generics.rs:1354:16
     |
1354 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lifetime.rs:127:16
    |
127 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lifetime.rs:145:16
    |
145 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:629:12
    |
629 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:640:12
    |
640 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:652:12
    |
652 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/lit.rs:14:1
    |
14  | / ast_enum_of_structs! {
15  | |     /// A Rust literal such as a string or integer or boolean.
16  | |     ///
17  | |     /// # Syntax tree enum
...   |
48  | |     }
49  | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:666:20
    |
666 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
703 | lit_extra_traits!(LitStr);
    | ------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `lit_extra_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:666:20
    |
666 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
704 | lit_extra_traits!(LitByteStr);
    | ----------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `lit_extra_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:666:20
    |
666 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
705 | lit_extra_traits!(LitByte);
    | -------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `lit_extra_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:666:20
    |
666 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
706 | lit_extra_traits!(LitChar);
    | -------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `lit_extra_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:666:20
    |
666 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
707 | lit_extra_traits!(LitInt);
    | ------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `lit_extra_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:666:20
    |
666 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |                    ^^^^^^^
...
708 | lit_extra_traits!(LitFloat);
    | --------------------------- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `lit_extra_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:170:16
    |
170 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:200:16
    |
200 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:744:16
    |
744 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:816:16
    |
816 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:827:16
    |
827 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:838:16
    |
838 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:849:16
    |
849 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:860:16
    |
860 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:871:16
    |
871 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:882:16
    |
882 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:900:16
    |
900 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:907:16
    |
907 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:914:16
    |
914 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:921:16
    |
921 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:928:16
    |
928 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:935:16
    |
935 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/lit.rs:942:16
    |
942 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_negative_literal_parse`
    --> src/lit.rs:1568:15
     |
1568 |         #[cfg(syn_no_negative_literal_parse)]
     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_negative_literal_parse)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_negative_literal_parse)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/mac.rs:15:16
   |
15 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/mac.rs:29:16
   |
29 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/mac.rs:137:16
    |
137 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/mac.rs:145:16
    |
145 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/mac.rs:177:16
    |
177 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/mac.rs:201:16
    |
201 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
 --> src/derive.rs:8:16
  |
8 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
  |                ^^^^^^^
  |
  = help: consider using a Cargo feature instead
  = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
           [lints.rust]
           unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
  = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
  = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/derive.rs:37:16
   |
37 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/derive.rs:57:16
   |
57 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/derive.rs:70:16
   |
70 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/derive.rs:83:16
   |
83 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/derive.rs:95:16
   |
95 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/derive.rs:231:16
    |
231 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
 --> src/op.rs:6:16
  |
6 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
  |                ^^^^^^^
  |
  = help: consider using a Cargo feature instead
  = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
           [lints.rust]
           unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
  = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
  = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/op.rs:72:16
   |
72 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/op.rs:130:16
    |
130 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/op.rs:165:16
    |
165 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/op.rs:188:16
    |
188 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/op.rs:224:16
    |
224 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/ty.rs:16:16
   |
16 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_non_exhaustive`
  --> src/ty.rs:17:20
   |
17 |     #[cfg_attr(not(syn_no_non_exhaustive), non_exhaustive)]
   |                    ^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_non_exhaustive)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/macros.rs:155:20
    |
155 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                      ^^^^^^^
    |
   ::: src/ty.rs:5:1
    |
5   | / ast_enum_of_structs! {
6   | |     /// The possible types that a Rust value could have.
7   | |     ///
8   | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
...   |
88  | |     }
89  | | }
    | |_- in this macro invocation
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/ty.rs:96:16
   |
96 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:110:16
    |
110 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:128:16
    |
128 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:141:16
    |
141 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:153:16
    |
153 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:164:16
    |
164 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:175:16
    |
175 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:186:16
    |
186 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:199:16
    |
199 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:211:16
    |
211 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:225:16
    |
225 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:239:16
    |
239 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:252:16
    |
252 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:264:16
    |
264 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:276:16
    |
276 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:288:16
    |
288 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:311:16
    |
311 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:323:16
    |
323 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_non_exhaustive`
  --> src/ty.rs:85:15
   |
85 |         #[cfg(syn_no_non_exhaustive)]
   |               ^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_non_exhaustive)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:342:16
    |
342 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:656:16
    |
656 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:667:16
    |
667 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:680:16
    |
680 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:703:16
    |
703 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:716:16
    |
716 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:777:16
    |
777 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:786:16
    |
786 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:795:16
    |
795 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:828:16
    |
828 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:837:16
    |
837 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:887:16
    |
887 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:895:16
    |
895 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:949:16
    |
949 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:992:16
    |
992 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1003:16
     |
1003 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1024:16
     |
1024 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1098:16
     |
1098 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1108:16
     |
1108 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:357:20
    |
357 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:869:20
    |
869 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:904:20
    |
904 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/ty.rs:958:20
    |
958 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1128:16
     |
1128 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1137:16
     |
1137 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1148:16
     |
1148 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1162:16
     |
1162 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1172:16
     |
1172 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1193:16
     |
1193 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1200:16
     |
1200 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1209:16
     |
1209 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1216:16
     |
1216 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1224:16
     |
1224 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1232:16
     |
1232 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1241:16
     |
1241 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1250:16
     |
1250 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1257:16
     |
1257 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1264:16
     |
1264 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1277:16
     |
1277 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1289:16
     |
1289 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/ty.rs:1297:16
     |
1297 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
 --> src/path.rs:9:16
  |
9 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
  |                ^^^^^^^
  |
  = help: consider using a Cargo feature instead
  = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
           [lints.rust]
           unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
  = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
  = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/path.rs:35:16
   |
35 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/path.rs:67:16
   |
67 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
   |                ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:105:16
    |
105 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:130:16
    |
130 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:144:16
    |
144 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:157:16
    |
157 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:171:16
    |
171 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:201:16
    |
201 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:218:16
    |
218 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:225:16
    |
225 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:358:16
    |
358 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:385:16
    |
385 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:397:16
    |
397 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:430:16
    |
430 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:505:20
    |
505 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:569:20
    |
569 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:591:20
    |
591 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                    ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:693:16
    |
693 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:701:16
    |
701 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:709:16
    |
709 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:724:16
    |
724 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:752:16
    |
752 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:793:16
    |
793 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:802:16
    |
802 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/path.rs:811:16
    |
811 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/punctuated.rs:371:12
    |
371 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/punctuated.rs:1012:12
     |
1012 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_const_vec_new`
  --> src/punctuated.rs:54:15
   |
54 |     #[cfg(not(syn_no_const_vec_new))]
   |               ^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_const_vec_new)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_const_vec_new)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_const_vec_new`
  --> src/punctuated.rs:63:11
   |
63 |     #[cfg(syn_no_const_vec_new)]
   |           ^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_const_vec_new)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_const_vec_new)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/punctuated.rs:267:16
    |
267 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/punctuated.rs:288:16
    |
288 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/punctuated.rs:325:16
    |
325 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/punctuated.rs:346:16
    |
346 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
    |                ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/punctuated.rs:1060:16
     |
1060 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/punctuated.rs:1071:16
     |
1071 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
     |                ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/parse_quote.rs:68:12
   |
68 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "printing"))))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/parse_quote.rs:100:12
    |
100 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "printing"))))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/parse_macro_input.rs:107:12
    |
107 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "proc-macro"))))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
 --> src/gen/clone.rs:7:12
  |
7 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
  |            ^^^^^^^
  |
  = help: consider using a Cargo feature instead
  = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
           [lints.rust]
           unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
  = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
  = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:17:12
   |
17 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:43:12
   |
43 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:46:12
   |
46 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:53:12
   |
53 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:66:12
   |
66 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:77:12
   |
77 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:80:12
   |
80 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
  --> src/gen/clone.rs:87:12
   |
87 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
   |            ^^^^^^^
   |
   = help: consider using a Cargo feature instead
   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
            [lints.rust]
            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:108:12
    |
108 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:120:12
    |
120 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:135:12
    |
135 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:146:12
    |
146 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:157:12
    |
157 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:168:12
    |
168 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:179:12
    |
179 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:189:12
    |
189 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:202:12
    |
202 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:341:12
    |
341 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:387:12
    |
387 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:399:12
    |
399 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:439:12
    |
439 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:490:12
    |
490 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:515:12
    |
515 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:575:12
    |
575 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:586:12
    |
586 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:705:12
    |
705 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:751:12
    |
751 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:788:12
    |
788 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:799:12
    |
799 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:809:12
    |
809 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:907:12
    |
907 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:930:12
    |
930 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
   --> src/gen/clone.rs:941:12
    |
941 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
    |            ^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1027:12
     |
1027 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1313:12
     |
1313 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1324:12
     |
1324 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1339:12
     |
1339 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1362:12
     |
1362 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1374:12
     |
1374 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1385:12
     |
1385 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1395:12
     |
1395 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1406:12
     |
1406 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1417:12
     |
1417 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1440:12
     |
1440 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1450:12
     |
1450 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1655:12
     |
1655 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1665:12
     |
1665 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1678:12
     |
1678 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1688:12
     |
1688 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1699:12
     |
1699 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1710:12
     |
1710 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1722:12
     |
1722 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1757:12
     |
1757 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1798:12
     |
1798 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1810:12
     |
1810 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1813:12
     |
1813 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1889:12
     |
1889 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1914:12
     |
1914 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1926:12
     |
1926 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1942:12
     |
1942 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1952:12
     |
1952 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1962:12
     |
1962 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1971:12
     |
1971 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1978:12
     |
1978 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:1987:12
     |
1987 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2001:12
     |
2001 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2011:12
     |
2011 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2021:12
     |
2021 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2031:12
     |
2031 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2043:12
     |
2043 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2055:12
     |
2055 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2065:12
     |
2065 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2075:12
     |
2075 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2085:12
     |
2085 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2088:12
     |
2088 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2158:12
     |
2158 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2168:12
     |
2168 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2180:12
     |
2180 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2189:12
     |
2189 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2198:12
     |
2198 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2210:12
     |
2210 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2222:12
     |
2222 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/gen/clone.rs:2232:12
     |
2232 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_non_exhaustive`
   --> src/gen/clone.rs:276:23
    |
276 |             #[cfg(any(syn_no_non_exhaustive, not(feature = "full")))]
    |                       ^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_non_exhaustive)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `syn_no_non_exhaustive`
    --> src/gen/clone.rs:1908:19
     |
1908 |             #[cfg(syn_no_non_exhaustive)]
     |                   ^^^^^^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_no_non_exhaustive)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unused import: `crate::gen::*`
   --> src/lib.rs:787:9
    |
787 | pub use crate::gen::*;
    |         ^^^^^^^^^^^^^
    |
    = note: `#[warn(unused_imports)]` on by default
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/parse.rs:1065:12
     |
1065 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/parse.rs:1072:12
     |
1072 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/parse.rs:1083:12
     |
1083 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/parse.rs:1090:12
     |
1090 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/parse.rs:1100:12
     |
1100 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/parse.rs:1116:12
     |
1116 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
    --> src/parse.rs:1126:12
     |
1126 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
     |            ^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: method `inner` is never used
   --> src/attr.rs:470:8
    |
466 | pub trait FilterAttrs<'a> {
    |           ----------- method in this trait
...
470 |     fn inner(self) -> Self::Ret;
    |        ^^^^^
    |
    = note: `#[warn(dead_code)]` on by default
warning: field `0` is never read
    --> src/expr.rs:1110:28
     |
1110 |     pub struct AllowStruct(bool);
     |                ----------- ^^^^
     |                |
     |                field in this struct
     |
     = help: consider removing this field
warning: `syn` (lib) generated 522 warnings (90 duplicates) (run `cargo fix --lib -p syn` to apply 1 suggestion)
    Finished `rpm` profile [optimized + debuginfo] target(s) in 19.87s
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.iqoIcx
+ umask 022
+ cd /builddir/build/BUILD/rust-syn1-1.0.109-build
+ '[' /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT '!=' / ']'
+ rm -rf /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT
++ dirname /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT
+ mkdir -p /builddir/build/BUILD/rust-syn1-1.0.109-build
+ mkdir /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT
+ CFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection '
+ export CFLAGS
+ CXXFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection '
+ export CXXFLAGS
+ FFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection -I/usr/lib64/gfortran/modules '
+ export FFLAGS
+ FCFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection -I/usr/lib64/gfortran/modules '
+ export FCFLAGS
+ VALAFLAGS=-g
+ export VALAFLAGS
+ RUSTFLAGS='-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn'
+ export RUSTFLAGS
+ LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes '
+ export LDFLAGS
+ LT_SYS_LIBRARY_PATH=/usr/lib64:
+ export LT_SYS_LIBRARY_PATH
+ CC=gcc
+ export CC
+ CXX=g++
+ export CXX
+ cd syn-1.0.109
+ set -euo pipefail
++ /usr/bin/cargo2rpm --path Cargo.toml is-lib
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
++ /usr/bin/cargo2rpm --path Cargo.toml name
+ CRATE_NAME=syn
++ /usr/bin/cargo2rpm --path Cargo.toml version
+ CRATE_VERSION=1.0.109
+ REG_DIR=/builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT/usr/share/cargo/registry/syn-1.0.109
+ /usr/bin/mkdir -p /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT/usr/share/cargo/registry/syn-1.0.109
+ /usr/bin/awk -i inplace -v INPLACE_SUFFIX=.deps '/^\[((.+\.)?((dev|build)-)?dependencies|features)/{f=1;next} /^\[/{f=0}; !f' Cargo.toml
+ /usr/bin/env CARGO_HOME=.cargo RUSTC_BOOTSTRAP=1 'RUSTFLAGS=-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn' /usr/bin/cargo package -l
+ grep -w -E -v 'Cargo.(lock|toml.orig)'
+ xargs -d '\n' /usr/bin/cp --parents -a -t /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT/usr/share/cargo/registry/syn-1.0.109
warning: no (git) VCS found for `/builddir/build/BUILD/rust-syn1-1.0.109-build/syn-1.0.109`
+ /usr/bin/mv Cargo.toml.deps Cargo.toml
+ /usr/bin/cp -a Cargo.toml /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT/usr/share/cargo/registry/syn-1.0.109/Cargo.toml
+ /usr/bin/rm -f /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT/usr/share/cargo/registry/syn-1.0.109/Cargo.toml.deps
+ echo '{"files":{},"package":""}'
++ /usr/bin/cargo2rpm --path Cargo.toml is-bin
+ '[' 0 -eq 1 ']'
+ /usr/lib/rpm/check-buildroot
+ /usr/lib/rpm/redhat/brp-ldconfig
+ /usr/lib/rpm/brp-compress
+ /usr/lib/rpm/brp-strip /usr/bin/strip
+ /usr/lib/rpm/brp-strip-comment-note /usr/bin/strip /usr/bin/objdump
+ /usr/lib/rpm/redhat/brp-strip-lto /usr/bin/strip
+ /usr/lib/rpm/brp-strip-static-archive /usr/bin/strip
+ /usr/lib/rpm/check-rpaths
+ /usr/lib/rpm/redhat/brp-mangle-shebangs
+ /usr/lib/rpm/brp-remove-la-files
+ env /usr/lib/rpm/redhat/brp-python-bytecompile '' 1 0 -j8
+ /usr/lib/rpm/redhat/brp-python-hardlink
+ /usr/bin/add-determinism --brp -j8 /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT
Scanned 15 directories and 97 files,
               processed 0 inodes,
               0 modified (0 replaced + 0 rewritten),
               0 unsupported format, 0 errors
Reading /builddir/build/BUILD/rust-syn1-1.0.109-build/SPECPARTS/rpm-debuginfo.specpart
Processing files: rust-syn1-devel-1.0.109-4.fc42.noarch
warning: File listed twice: /usr/share/cargo/registry/syn-1.0.109/LICENSE-APACHE
warning: File listed twice: /usr/share/cargo/registry/syn-1.0.109/LICENSE-MIT
warning: File listed twice: /usr/share/cargo/registry/syn-1.0.109/README.md
Provides: crate(syn) = 1.0.109 rust-syn1-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: (crate(proc-macro2) >= 1.0.46 with crate(proc-macro2) < 2.0.0~) (crate(unicode-ident/default) >= 1.0.0 with crate(unicode-ident/default) < 2.0.0~) cargo rust >= 1.31
Processing files: rust-syn1+default-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/default) = 1.0.109 rust-syn1+default-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109 crate(syn/clone-impls) = 1.0.109 crate(syn/derive) = 1.0.109 crate(syn/parsing) = 1.0.109 crate(syn/printing) = 1.0.109 crate(syn/proc-macro) = 1.0.109
Processing files: rust-syn1+clone-impls-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/clone-impls) = 1.0.109 rust-syn1+clone-impls-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+derive-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/derive) = 1.0.109 rust-syn1+derive-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+extra-traits-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/extra-traits) = 1.0.109 rust-syn1+extra-traits-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+fold-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/fold) = 1.0.109 rust-syn1+fold-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+full-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/full) = 1.0.109 rust-syn1+full-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+parsing-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/parsing) = 1.0.109 rust-syn1+parsing-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+printing-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/printing) = 1.0.109 rust-syn1+printing-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109 crate(syn/quote) = 1.0.109
Processing files: rust-syn1+proc-macro-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/proc-macro) = 1.0.109 rust-syn1+proc-macro-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: (crate(proc-macro2/proc-macro) >= 1.0.46 with crate(proc-macro2/proc-macro) < 2.0.0~) (crate(quote) >= 1.0.0 with crate(quote) < 2.0.0~) (crate(quote/proc-macro) >= 1.0.0 with crate(quote/proc-macro) < 2.0.0~) cargo crate(syn) = 1.0.109
Processing files: rust-syn1+quote-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/quote) = 1.0.109 rust-syn1+quote-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: (crate(quote) >= 1.0.0 with crate(quote) < 2.0.0~) cargo crate(syn) = 1.0.109
Processing files: rust-syn1+test-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/test) = 1.0.109 rust-syn1+test-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+visit-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/visit) = 1.0.109 rust-syn1+visit-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Processing files: rust-syn1+visit-mut-devel-1.0.109-4.fc42.noarch
Provides: crate(syn/visit-mut) = 1.0.109 rust-syn1+visit-mut-devel = 1.0.109-4.fc42
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: cargo crate(syn) = 1.0.109
Checking for unpackaged file(s): /usr/lib/rpm/check-files /builddir/build/BUILD/rust-syn1-1.0.109-build/BUILDROOT
Wrote: /builddir/build/SRPMS/rust-syn1-1.0.109-4.fc42.src.rpm
Wrote: /builddir/build/RPMS/rust-syn1+extra-traits-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+clone-impls-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+fold-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+default-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+parsing-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+full-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+proc-macro-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+derive-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+quote-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+printing-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+test-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+visit-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1+visit-mut-devel-1.0.109-4.fc42.noarch.rpm
Wrote: /builddir/build/RPMS/rust-syn1-devel-1.0.109-4.fc42.noarch.rpm
RPM build warnings:
    File listed twice: /usr/share/cargo/registry/syn-1.0.109/LICENSE-APACHE
    File listed twice: /usr/share/cargo/registry/syn-1.0.109/LICENSE-MIT
    File listed twice: /usr/share/cargo/registry/syn-1.0.109/README.md
Child return code was: 0