[INFO] cloning repository https://github.com/nyuichi/dot-keyword
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyuichi/dot-keyword" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyuichi%2Fdot-keyword", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyuichi%2Fdot-keyword'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45a749a646fe2a2b5cd8b09fcd772667e54201f8
[INFO] checking nyuichi/dot-keyword against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyuichi%2Fdot-keyword" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nyuichi/dot-keyword
[INFO] finished tweaking git repo https://github.com/nyuichi/dot-keyword
[INFO] tweaked toml for git repo https://github.com/nyuichi/dot-keyword written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nyuichi/dot-keyword on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nyuichi/dot-keyword already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1617d085bacb8f278606d781e52553331b4ef3815231d12db5bc9d65e03aa3d2
[INFO] running `Command { std: "docker" "start" "-a" "1617d085bacb8f278606d781e52553331b4ef3815231d12db5bc9d65e03aa3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1617d085bacb8f278606d781e52553331b4ef3815231d12db5bc9d65e03aa3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1617d085bacb8f278606d781e52553331b4ef3815231d12db5bc9d65e03aa3d2", kill_on_drop: false }`
[INFO] [stdout] 1617d085bacb8f278606d781e52553331b4ef3815231d12db5bc9d65e03aa3d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06cb2f66dbfa68985130f5e8d0d5bf5f0c511ca732e2753328994f42ccd632e
[INFO] running `Command { std: "docker" "start" "-a" "a06cb2f66dbfa68985130f5e8d0d5bf5f0c511ca732e2753328994f42ccd632e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.53 (/opt/rustwide/workdir/syn)
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 | #![cfg_attr(doc_cfg, feature(doc_cfg))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:439:12
[INFO] [stdout]     |
[INFO] [stdout] 439 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:442:12
[INFO] [stdout]     |
[INFO] [stdout] 442 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:463:12
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "printing"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:811:12
[INFO] [stdout]     |
[INFO] [stdout] 811 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:885:12
[INFO] [stdout]     |
[INFO] [stdout] 885 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "proc-macro"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:902:12
[INFO] [stdout]     |
[INFO] [stdout] 902 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:931:12
[INFO] [stdout]     |
[INFO] [stdout] 931 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 | #![cfg_attr(doc_cfg, feature(doc_cfg))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:974:12
[INFO] [stdout]     |
[INFO] [stdout] 974 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "full"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:439:12
[INFO] [stdout]     |
[INFO] [stdout] 439 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/group.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:442:12
[INFO] [stdout]     |
[INFO] [stdout] 442 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:463:12
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "printing"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/group.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/group.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:561:12
[INFO] [stdout]     |
[INFO] [stdout] 561 | #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:811:12
[INFO] [stdout]     |
[INFO] [stdout] 811 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `syn_omit_await_from_token_macro`
[INFO] [stdout]    --> syn/src/token.rs:881:11
[INFO] [stdout]     |
[INFO] [stdout] 881 | #[cfg(not(syn_omit_await_from_token_macro))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_omit_await_from_token_macro)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_omit_await_from_token_macro)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:885:12
[INFO] [stdout]     |
[INFO] [stdout] 885 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "proc-macro"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:902:12
[INFO] [stdout]     |
[INFO] [stdout] 902 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:931:12
[INFO] [stdout]     |
[INFO] [stdout] 931 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/lib.rs:974:12
[INFO] [stdout]     |
[INFO] [stdout] 974 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "full"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/group.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/group.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/group.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:561:12
[INFO] [stdout]     |
[INFO] [stdout] 561 | #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `syn_omit_await_from_token_macro`
[INFO] [stdout]    --> syn/src/token.rs:881:11
[INFO] [stdout]     |
[INFO] [stdout] 881 | #[cfg(not(syn_omit_await_from_token_macro))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_omit_await_from_token_macro)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_omit_await_from_token_macro)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `syn_omit_await_from_token_macro`
[INFO] [stdout]    --> syn/src/token.rs:883:7
[INFO] [stdout]     |
[INFO] [stdout] 883 | #[cfg(syn_omit_await_from_token_macro)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_omit_await_from_token_macro)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_omit_await_from_token_macro)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 556 | / define_punctuation_structs! {
[INFO] [stdout] 557 | |     "_" pub struct Underscore/1 /// `_`
[INFO] [stdout] 558 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 556 | / define_punctuation_structs! {
[INFO] [stdout] 557 | |     "_" pub struct Underscore/1 /// `_`
[INFO] [stdout] 558 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:271:24
[INFO] [stdout]     |
[INFO] [stdout] 271 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:275:24
[INFO] [stdout]     |
[INFO] [stdout] 275 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:309:24
[INFO] [stdout]     |
[INFO] [stdout] 309 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:317:24
[INFO] [stdout]     |
[INFO] [stdout] 317 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `syn_omit_await_from_token_macro`
[INFO] [stdout]    --> syn/src/token.rs:883:7
[INFO] [stdout]     |
[INFO] [stdout] 883 | #[cfg(syn_omit_await_from_token_macro)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(syn_omit_await_from_token_macro)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_omit_await_from_token_macro)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 556 | / define_punctuation_structs! {
[INFO] [stdout] 557 | |     "_" pub struct Underscore/1 /// `_`
[INFO] [stdout] 558 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 556 | / define_punctuation_structs! {
[INFO] [stdout] 557 | |     "_" pub struct Underscore/1 /// `_`
[INFO] [stdout] 558 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:271:24
[INFO] [stdout]     |
[INFO] [stdout] 271 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:275:24
[INFO] [stdout]     |
[INFO] [stdout] 275 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:309:24
[INFO] [stdout]     |
[INFO] [stdout] 309 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:317:24
[INFO] [stdout]     |
[INFO] [stdout] 317 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 652 | / define_keywords! {
[INFO] [stdout] 653 | |     "abstract"    pub struct Abstract     /// `abstract`
[INFO] [stdout] 654 | |     "as"          pub struct As           /// `as`
[INFO] [stdout] 655 | |     "async"       pub struct Async        /// `async`
[INFO] [stdout] ...   |
[INFO] [stdout] 704 | |     "yield"       pub struct Yield        /// `yield`
[INFO] [stdout] 705 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:444:24
[INFO] [stdout]     |
[INFO] [stdout] 444 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:452:24
[INFO] [stdout]     |
[INFO] [stdout] 452 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:444:24
[INFO] [stdout]     |
[INFO] [stdout] 444 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:452:24
[INFO] [stdout]     |
[INFO] [stdout] 452 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:503:24
[INFO] [stdout]     |
[INFO] [stdout] 503 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 | / define_delimiters! {
[INFO] [stdout] 757 | |     "{"           pub struct Brace        /// `{...}`
[INFO] [stdout] 758 | |     "["           pub struct Bracket      /// `[...]`
[INFO] [stdout] 759 | |     "("           pub struct Paren        /// `(...)`
[INFO] [stdout] 760 | |     " "           pub struct Group        /// None-delimited group
[INFO] [stdout] 761 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:507:24
[INFO] [stdout]     |
[INFO] [stdout] 507 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 | / define_delimiters! {
[INFO] [stdout] 757 | |     "{"           pub struct Brace        /// `{...}`
[INFO] [stdout] 758 | |     "["           pub struct Bracket      /// `[...]`
[INFO] [stdout] 759 | |     "("           pub struct Paren        /// `(...)`
[INFO] [stdout] 760 | |     " "           pub struct Group        /// None-delimited group
[INFO] [stdout] 761 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/ident.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:330:16
[INFO] [stdout]     |
[INFO] [stdout] 330 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:364:16
[INFO] [stdout]     |
[INFO] [stdout] 364 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/attr.rs:337:1
[INFO] [stdout]     |
[INFO] [stdout] 337 | / ast_enum_of_structs! {
[INFO] [stdout] 338 | |     /// Content of a compile-time structured attribute.
[INFO] [stdout] 339 | |     ///
[INFO] [stdout] 340 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 374 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:381:16
[INFO] [stdout]     |
[INFO] [stdout] 381 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:394:16
[INFO] [stdout]     |
[INFO] [stdout] 394 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:421:16
[INFO] [stdout]     |
[INFO] [stdout] 421 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/attr.rs:416:1
[INFO] [stdout]     |
[INFO] [stdout] 416 | / ast_enum_of_structs! {
[INFO] [stdout] 417 | |     /// Element of a compile-time attribute list.
[INFO] [stdout] 418 | |     ///
[INFO] [stdout] 419 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 430 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:212:16
[INFO] [stdout]     |
[INFO] [stdout] 212 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:222:16
[INFO] [stdout]     |
[INFO] [stdout] 222 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:250:16
[INFO] [stdout]     |
[INFO] [stdout] 250 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:568:16
[INFO] [stdout]     |
[INFO] [stdout] 568 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:576:16
[INFO] [stdout]     |
[INFO] [stdout] 576 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:584:16
[INFO] [stdout]     |
[INFO] [stdout] 584 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:592:16
[INFO] [stdout]     |
[INFO] [stdout] 592 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:641:16
[INFO] [stdout]     |
[INFO] [stdout] 641 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:655:16
[INFO] [stdout]     |
[INFO] [stdout] 655 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:665:16
[INFO] [stdout]     |
[INFO] [stdout] 665 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]  --> syn/src/data.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/data.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/data.rs:25:1
[INFO] [stdout]     |
[INFO] [stdout]  25 | / ast_enum_of_structs! {
[INFO] [stdout]  26 | |     /// Data stored within an enum variant or struct.
[INFO] [stdout]  27 | |     ///
[INFO] [stdout]  28 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout]  51 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/data.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/data.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:191:16
[INFO] [stdout]     |
[INFO] [stdout] 191 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/data.rs:176:1
[INFO] [stdout]     |
[INFO] [stdout] 176 | / ast_enum_of_structs! {
[INFO] [stdout] 177 | |     /// The visibility level of an item: inherited or `pub` or
[INFO] [stdout] 178 | |     /// `pub(restricted)`.
[INFO] [stdout] 179 | |     ///
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:213:16
[INFO] [stdout]     |
[INFO] [stdout] 213 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:224:16
[INFO] [stdout]     |
[INFO] [stdout] 224 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:252:16
[INFO] [stdout]     |
[INFO] [stdout] 252 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:282:16
[INFO] [stdout]     |
[INFO] [stdout] 282 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:293:16
[INFO] [stdout]     |
[INFO] [stdout] 293 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:330:16
[INFO] [stdout]     |
[INFO] [stdout] 330 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:306:20
[INFO] [stdout]     |
[INFO] [stdout] 306 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:318:20
[INFO] [stdout]     |
[INFO] [stdout] 318 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:426:16
[INFO] [stdout]     |
[INFO] [stdout] 426 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:439:16
[INFO] [stdout]     |
[INFO] [stdout] 439 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:448:16
[INFO] [stdout]     |
[INFO] [stdout] 448 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:394:24
[INFO] [stdout]     |
[INFO] [stdout] 394 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:470:16
[INFO] [stdout]     |
[INFO] [stdout] 470 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:477:16
[INFO] [stdout]     |
[INFO] [stdout] 477 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:484:16
[INFO] [stdout]     |
[INFO] [stdout] 484 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:398:24
[INFO] [stdout]     |
[INFO] [stdout] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 707 | / define_punctuation! {
[INFO] [stdout] 708 | |     "+"           pub struct Add/1        /// `+`
[INFO] [stdout] 709 | |     "+="          pub struct AddEq/2      /// `+=`
[INFO] [stdout] 710 | |     "&"           pub struct And/1        /// `&`
[INFO] [stdout] ...   |
[INFO] [stdout] 753 | |     "~"           pub struct Tilde/1      /// `~`
[INFO] [stdout] 754 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/expr.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:503:24
[INFO] [stdout]     |
[INFO] [stdout] 503 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 | / define_delimiters! {
[INFO] [stdout] 757 | |     "{"           pub struct Brace        /// `{...}`
[INFO] [stdout] 758 | |     "["           pub struct Bracket      /// `[...]`
[INFO] [stdout] 759 | |     "("           pub struct Paren        /// `(...)`
[INFO] [stdout] 760 | |     " "           pub struct Group        /// None-delimited group
[INFO] [stdout] 761 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/token.rs:507:24
[INFO] [stdout]     |
[INFO] [stdout] 507 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 | / define_delimiters! {
[INFO] [stdout] 757 | |     "{"           pub struct Brace        /// `{...}`
[INFO] [stdout] 758 | |     "["           pub struct Bracket      /// `[...]`
[INFO] [stdout] 759 | |     "("           pub struct Paren        /// `(...)`
[INFO] [stdout] 760 | |     " "           pub struct Group        /// None-delimited group
[INFO] [stdout] 761 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/expr.rs:14:1
[INFO] [stdout]     |
[INFO] [stdout]  14 | / ast_enum_of_structs! {
[INFO] [stdout]  15 | |     /// A Rust expression.
[INFO] [stdout]  16 | |     ///
[INFO] [stdout]  17 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 230 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 248 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:274:16
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:287:16
[INFO] [stdout]     |
[INFO] [stdout] 287 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:301:16
[INFO] [stdout]     |
[INFO] [stdout] 301 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:314:16
[INFO] [stdout]     |
[INFO] [stdout] 314 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:326:16
[INFO] [stdout]     |
[INFO] [stdout] 326 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:339:16
[INFO] [stdout]     |
[INFO] [stdout] 339 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:353:16
[INFO] [stdout]     |
[INFO] [stdout] 353 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:367:16
[INFO] [stdout]     |
[INFO] [stdout] 367 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:380:16
[INFO] [stdout]     |
[INFO] [stdout] 380 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:398:16
[INFO] [stdout]     |
[INFO] [stdout] 398 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:411:16
[INFO] [stdout]     |
[INFO] [stdout] 411 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 424 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:444:16
[INFO] [stdout]     |
[INFO] [stdout] 444 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:460:16
[INFO] [stdout]     |
[INFO] [stdout] 460 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:475:16
[INFO] [stdout]     |
[INFO] [stdout] 475 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:488:16
[INFO] [stdout]     |
[INFO] [stdout] 488 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:503:16
[INFO] [stdout]     |
[INFO] [stdout] 503 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:514:16
[INFO] [stdout]     |
[INFO] [stdout] 514 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:527:16
[INFO] [stdout]     |
[INFO] [stdout] 527 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:538:16
[INFO] [stdout]     |
[INFO] [stdout] 538 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:552:16
[INFO] [stdout]     |
[INFO] [stdout] 552 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:568:16
[INFO] [stdout]     |
[INFO] [stdout] 568 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:584:16
[INFO] [stdout]     |
[INFO] [stdout] 584 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:596:16
[INFO] [stdout]     |
[INFO] [stdout] 596 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:609:16
[INFO] [stdout]     |
[INFO] [stdout] 609 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:623:16
[INFO] [stdout]     |
[INFO] [stdout] 623 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:637:16
[INFO] [stdout]     |
[INFO] [stdout] 637 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:652:16
[INFO] [stdout]     |
[INFO] [stdout] 652 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:667:16
[INFO] [stdout]     |
[INFO] [stdout] 667 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:679:16
[INFO] [stdout]     |
[INFO] [stdout] 679 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:691:16
[INFO] [stdout]     |
[INFO] [stdout] 691 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:703:16
[INFO] [stdout]     |
[INFO] [stdout] 703 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:717:16
[INFO] [stdout]     |
[INFO] [stdout] 717 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:729:16
[INFO] [stdout]     |
[INFO] [stdout] 729 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:741:16
[INFO] [stdout]     |
[INFO] [stdout] 741 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:755:16
[INFO] [stdout]     |
[INFO] [stdout] 755 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:818:16
[INFO] [stdout]     |
[INFO] [stdout] 818 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:870:16
[INFO] [stdout]     |
[INFO] [stdout] 870 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:918:16
[INFO] [stdout]     |
[INFO] [stdout] 918 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:932:16
[INFO] [stdout]     |
[INFO] [stdout] 932 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:949:16
[INFO] [stdout]     |
[INFO] [stdout] 949 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:971:16
[INFO] [stdout]     |
[INFO] [stdout] 971 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:999:16
[INFO] [stdout]     |
[INFO] [stdout] 999 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1015:16
[INFO] [stdout]      |
[INFO] [stdout] 1015 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1107:16
[INFO] [stdout]      |
[INFO] [stdout] 1107 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1973:16
[INFO] [stdout]      |
[INFO] [stdout] 1973 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2030:16
[INFO] [stdout]      |
[INFO] [stdout] 2030 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2071:16
[INFO] [stdout]      |
[INFO] [stdout] 2071 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/ident.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2101:16
[INFO] [stdout]      |
[INFO] [stdout] 2101 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:330:16
[INFO] [stdout]     |
[INFO] [stdout] 330 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:364:16
[INFO] [stdout]     |
[INFO] [stdout] 364 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/attr.rs:337:1
[INFO] [stdout]     |
[INFO] [stdout] 337 | / ast_enum_of_structs! {
[INFO] [stdout] 338 | |     /// Content of a compile-time structured attribute.
[INFO] [stdout] 339 | |     ///
[INFO] [stdout] 340 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 374 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:381:16
[INFO] [stdout]     |
[INFO] [stdout] 381 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2123:16
[INFO] [stdout]      |
[INFO] [stdout] 2123 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:394:16
[INFO] [stdout]     |
[INFO] [stdout] 394 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2334:16
[INFO] [stdout]      |
[INFO] [stdout] 2334 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:421:16
[INFO] [stdout]     |
[INFO] [stdout] 421 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2358:16
[INFO] [stdout]      |
[INFO] [stdout] 2358 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2369:16
[INFO] [stdout]      |
[INFO] [stdout] 2369 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2432:16
[INFO] [stdout]      |
[INFO] [stdout] 2432 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/attr.rs:416:1
[INFO] [stdout]     |
[INFO] [stdout] 416 | / ast_enum_of_structs! {
[INFO] [stdout] 417 | |     /// Element of a compile-time attribute list.
[INFO] [stdout] 418 | |     ///
[INFO] [stdout] 419 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 430 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2574:16
[INFO] [stdout]      |
[INFO] [stdout] 2574 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2591:16
[INFO] [stdout]      |
[INFO] [stdout] 2591 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2605:16
[INFO] [stdout]      |
[INFO] [stdout] 2605 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:212:16
[INFO] [stdout]     |
[INFO] [stdout] 212 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2619:16
[INFO] [stdout]      |
[INFO] [stdout] 2619 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2652:16
[INFO] [stdout]      |
[INFO] [stdout] 2652 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:222:16
[INFO] [stdout]     |
[INFO] [stdout] 222 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2157:28
[INFO] [stdout]      |
[INFO] [stdout] 2157 |                   #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2174 | /     impl_by_parsing_expr! {
[INFO] [stdout] 2175 | |         ExprBox, Box, "expected box expression",
[INFO] [stdout] 2176 | |         ExprArray, Array, "expected slice literal expression",
[INFO] [stdout] 2177 | |         ExprCall, Call, "expected function call expression",
[INFO] [stdout] ...    |
[INFO] [stdout] 2204 | |         ExprYield, Yield, "expected yield expression",
[INFO] [stdout] 2205 | |     }
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: this warning originates in the macro `impl_by_parsing_expr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:250:16
[INFO] [stdout]     |
[INFO] [stdout] 250 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1196:20
[INFO] [stdout]      |
[INFO] [stdout] 1196 |         #[cfg_attr(doc_cfg, doc(cfg(all(feature = "full", feature = "parsing"))))]
[INFO] [stdout]      |                    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:568:16
[INFO] [stdout]     |
[INFO] [stdout] 568 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2739:16
[INFO] [stdout]      |
[INFO] [stdout] 2739 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:576:16
[INFO] [stdout]     |
[INFO] [stdout] 576 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2749:16
[INFO] [stdout]      |
[INFO] [stdout] 2749 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:584:16
[INFO] [stdout]     |
[INFO] [stdout] 584 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:592:16
[INFO] [stdout]     |
[INFO] [stdout] 592 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:641:16
[INFO] [stdout]     |
[INFO] [stdout] 641 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:655:16
[INFO] [stdout]     |
[INFO] [stdout] 655 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/attr.rs:665:16
[INFO] [stdout]     |
[INFO] [stdout] 665 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]  --> syn/src/data.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/data.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/data.rs:25:1
[INFO] [stdout]     |
[INFO] [stdout]  25 | / ast_enum_of_structs! {
[INFO] [stdout]  26 | |     /// Data stored within an enum variant or struct.
[INFO] [stdout]  27 | |     ///
[INFO] [stdout]  28 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout]  51 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/data.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2760:16
[INFO] [stdout]      |
[INFO] [stdout] 2760 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/data.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:191:16
[INFO] [stdout]     |
[INFO] [stdout] 191 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/data.rs:176:1
[INFO] [stdout]     |
[INFO] [stdout] 176 | / ast_enum_of_structs! {
[INFO] [stdout] 177 | |     /// The visibility level of an item: inherited or `pub` or
[INFO] [stdout] 178 | |     /// `pub(restricted)`.
[INFO] [stdout] 179 | |     ///
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:213:16
[INFO] [stdout]     |
[INFO] [stdout] 213 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:224:16
[INFO] [stdout]     |
[INFO] [stdout] 224 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:252:16
[INFO] [stdout]     |
[INFO] [stdout] 252 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:282:16
[INFO] [stdout]     |
[INFO] [stdout] 282 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:293:16
[INFO] [stdout]     |
[INFO] [stdout] 293 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:330:16
[INFO] [stdout]     |
[INFO] [stdout] 330 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:306:20
[INFO] [stdout]     |
[INFO] [stdout] 306 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:318:20
[INFO] [stdout]     |
[INFO] [stdout] 318 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:426:16
[INFO] [stdout]     |
[INFO] [stdout] 426 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:439:16
[INFO] [stdout]     |
[INFO] [stdout] 439 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:448:16
[INFO] [stdout]     |
[INFO] [stdout] 448 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:470:16
[INFO] [stdout]     |
[INFO] [stdout] 470 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:477:16
[INFO] [stdout]     |
[INFO] [stdout] 477 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/data.rs:484:16
[INFO] [stdout]     |
[INFO] [stdout] 484 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/expr.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/expr.rs:14:1
[INFO] [stdout]     |
[INFO] [stdout]  14 | / ast_enum_of_structs! {
[INFO] [stdout]  15 | |     /// A Rust expression.
[INFO] [stdout]  16 | |     ///
[INFO] [stdout]  17 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 230 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 248 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2772:16
[INFO] [stdout]      |
[INFO] [stdout] 2772 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2787:16
[INFO] [stdout]      |
[INFO] [stdout] 2787 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2798:16
[INFO] [stdout]      |
[INFO] [stdout] 2798 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2809:16
[INFO] [stdout]      |
[INFO] [stdout] 2809 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2825:16
[INFO] [stdout]      |
[INFO] [stdout] 2825 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2835:16
[INFO] [stdout]      |
[INFO] [stdout] 2835 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2844:16
[INFO] [stdout]      |
[INFO] [stdout] 2844 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2852:16
[INFO] [stdout]      |
[INFO] [stdout] 2852 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2863:16
[INFO] [stdout]      |
[INFO] [stdout] 2863 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2894:16
[INFO] [stdout]      |
[INFO] [stdout] 2894 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2906:16
[INFO] [stdout]      |
[INFO] [stdout] 2906 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2918:16
[INFO] [stdout]      |
[INFO] [stdout] 2918 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2933:16
[INFO] [stdout]      |
[INFO] [stdout] 2933 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2950:16
[INFO] [stdout]      |
[INFO] [stdout] 2950 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2964:16
[INFO] [stdout]      |
[INFO] [stdout] 2964 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2986:16
[INFO] [stdout]      |
[INFO] [stdout] 2986 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2997:16
[INFO] [stdout]      |
[INFO] [stdout] 2997 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3008:16
[INFO] [stdout]      |
[INFO] [stdout] 3008 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3018:16
[INFO] [stdout]      |
[INFO] [stdout] 3018 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3028:16
[INFO] [stdout]      |
[INFO] [stdout] 3028 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3044:16
[INFO] [stdout]      |
[INFO] [stdout] 3044 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3057:16
[INFO] [stdout]      |
[INFO] [stdout] 3057 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3070:16
[INFO] [stdout]      |
[INFO] [stdout] 3070 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3081:16
[INFO] [stdout]      |
[INFO] [stdout] 3081 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3091:16
[INFO] [stdout]      |
[INFO] [stdout] 3091 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3101:16
[INFO] [stdout]      |
[INFO] [stdout] 3101 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3111:16
[INFO] [stdout]      |
[INFO] [stdout] 3111 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3120:16
[INFO] [stdout]      |
[INFO] [stdout] 3120 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3132:16
[INFO] [stdout]      |
[INFO] [stdout] 3132 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3145:16
[INFO] [stdout]      |
[INFO] [stdout] 3145 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3154:16
[INFO] [stdout]      |
[INFO] [stdout] 3154 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3165:16
[INFO] [stdout]      |
[INFO] [stdout] 3165 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:274:16
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:287:16
[INFO] [stdout]     |
[INFO] [stdout] 287 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:301:16
[INFO] [stdout]     |
[INFO] [stdout] 301 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:314:16
[INFO] [stdout]     |
[INFO] [stdout] 314 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:326:16
[INFO] [stdout]     |
[INFO] [stdout] 326 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:339:16
[INFO] [stdout]     |
[INFO] [stdout] 339 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:353:16
[INFO] [stdout]     |
[INFO] [stdout] 353 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:367:16
[INFO] [stdout]     |
[INFO] [stdout] 367 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:380:16
[INFO] [stdout]     |
[INFO] [stdout] 380 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:398:16
[INFO] [stdout]     |
[INFO] [stdout] 398 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:411:16
[INFO] [stdout]     |
[INFO] [stdout] 411 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 424 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:444:16
[INFO] [stdout]     |
[INFO] [stdout] 444 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:460:16
[INFO] [stdout]     |
[INFO] [stdout] 460 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:475:16
[INFO] [stdout]     |
[INFO] [stdout] 475 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:488:16
[INFO] [stdout]     |
[INFO] [stdout] 488 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:503:16
[INFO] [stdout]     |
[INFO] [stdout] 503 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:514:16
[INFO] [stdout]     |
[INFO] [stdout] 514 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:527:16
[INFO] [stdout]     |
[INFO] [stdout] 527 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:538:16
[INFO] [stdout]     |
[INFO] [stdout] 538 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:552:16
[INFO] [stdout]     |
[INFO] [stdout] 552 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:568:16
[INFO] [stdout]     |
[INFO] [stdout] 568 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:584:16
[INFO] [stdout]     |
[INFO] [stdout] 584 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:596:16
[INFO] [stdout]     |
[INFO] [stdout] 596 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:609:16
[INFO] [stdout]     |
[INFO] [stdout] 609 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:623:16
[INFO] [stdout]     |
[INFO] [stdout] 623 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:637:16
[INFO] [stdout]     |
[INFO] [stdout] 637 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:652:16
[INFO] [stdout]     |
[INFO] [stdout] 652 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:667:16
[INFO] [stdout]     |
[INFO] [stdout] 667 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:679:16
[INFO] [stdout]     |
[INFO] [stdout] 679 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:691:16
[INFO] [stdout]     |
[INFO] [stdout] 691 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:703:16
[INFO] [stdout]     |
[INFO] [stdout] 703 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:717:16
[INFO] [stdout]     |
[INFO] [stdout] 717 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:729:16
[INFO] [stdout]     |
[INFO] [stdout] 729 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:741:16
[INFO] [stdout]     |
[INFO] [stdout] 741 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:755:16
[INFO] [stdout]     |
[INFO] [stdout] 755 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:818:16
[INFO] [stdout]     |
[INFO] [stdout] 818 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:870:16
[INFO] [stdout]     |
[INFO] [stdout] 870 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:918:16
[INFO] [stdout]     |
[INFO] [stdout] 918 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:932:16
[INFO] [stdout]     |
[INFO] [stdout] 932 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:949:16
[INFO] [stdout]     |
[INFO] [stdout] 949 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:971:16
[INFO] [stdout]     |
[INFO] [stdout] 971 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/expr.rs:999:16
[INFO] [stdout]     |
[INFO] [stdout] 999 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1015:16
[INFO] [stdout]      |
[INFO] [stdout] 1015 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1107:16
[INFO] [stdout]      |
[INFO] [stdout] 1107 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1973:16
[INFO] [stdout]      |
[INFO] [stdout] 1973 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2030:16
[INFO] [stdout]      |
[INFO] [stdout] 2030 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2071:16
[INFO] [stdout]      |
[INFO] [stdout] 2071 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2101:16
[INFO] [stdout]      |
[INFO] [stdout] 2101 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2123:16
[INFO] [stdout]      |
[INFO] [stdout] 2123 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2334:16
[INFO] [stdout]      |
[INFO] [stdout] 2334 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2358:16
[INFO] [stdout]      |
[INFO] [stdout] 2358 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2369:16
[INFO] [stdout]      |
[INFO] [stdout] 2369 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2432:16
[INFO] [stdout]      |
[INFO] [stdout] 2432 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3176:16
[INFO] [stdout]      |
[INFO] [stdout] 3176 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3186:16
[INFO] [stdout]      |
[INFO] [stdout] 3186 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3196:16
[INFO] [stdout]      |
[INFO] [stdout] 3196 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3205:16
[INFO] [stdout]      |
[INFO] [stdout] 3205 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3224:16
[INFO] [stdout]      |
[INFO] [stdout] 3224 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3238:16
[INFO] [stdout]      |
[INFO] [stdout] 3238 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3248:16
[INFO] [stdout]      |
[INFO] [stdout] 3248 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3260:16
[INFO] [stdout]      |
[INFO] [stdout] 3260 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3270:16
[INFO] [stdout]      |
[INFO] [stdout] 3270 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3279:16
[INFO] [stdout]      |
[INFO] [stdout] 3279 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:3292:16
[INFO] [stdout]      |
[INFO] [stdout] 3292 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |     doc_cfg,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:314:5
[INFO] [stdout]     |
[INFO] [stdout] 314 |     doc_cfg,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:325:5
[INFO] [stdout]     |
[INFO] [stdout] 325 |     doc_cfg,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/generics.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/generics.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2574:16
[INFO] [stdout]      |
[INFO] [stdout] 2574 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2591:16
[INFO] [stdout]      |
[INFO] [stdout] 2591 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2605:16
[INFO] [stdout]      |
[INFO] [stdout] 2605 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2619:16
[INFO] [stdout]      |
[INFO] [stdout] 2619 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2652:16
[INFO] [stdout]      |
[INFO] [stdout] 2652 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2157:28
[INFO] [stdout]      |
[INFO] [stdout] 2157 |                   #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]      |                              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2174 | /     impl_by_parsing_expr! {
[INFO] [stdout] 2175 | |         ExprBox, Box, "expected box expression",
[INFO] [stdout] 2176 | |         ExprArray, Array, "expected slice literal expression",
[INFO] [stdout] 2177 | |         ExprCall, Call, "expected function call expression",
[INFO] [stdout] ...    |
[INFO] [stdout] 2204 | |         ExprYield, Yield, "expected yield expression",
[INFO] [stdout] 2205 | |     }
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: this warning originates in the macro `impl_by_parsing_expr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:1196:20
[INFO] [stdout]      |
[INFO] [stdout] 1196 |         #[cfg_attr(doc_cfg, doc(cfg(all(feature = "full", feature = "parsing"))))]
[INFO] [stdout]      |                    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2739:16
[INFO] [stdout]      |
[INFO] [stdout] 2739 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2749:16
[INFO] [stdout]      |
[INFO] [stdout] 2749 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2760:16
[INFO] [stdout]      |
[INFO] [stdout] 2760 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2772:16
[INFO] [stdout]      |
[INFO] [stdout] 2772 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2787:16
[INFO] [stdout]      |
[INFO] [stdout] 2787 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2798:16
[INFO] [stdout]      |
[INFO] [stdout] 2798 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2809:16
[INFO] [stdout]      |
[INFO] [stdout] 2809 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2825:16
[INFO] [stdout]      |
[INFO] [stdout] 2825 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/generics.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout]  23 | / ast_enum_of_structs! {
[INFO] [stdout]  24 | |     /// A generic type parameter, lifetime, or const generic: `T: Into<String>`,
[INFO] [stdout]  25 | |     /// `'a: 'b`, `const LEN: usize`.
[INFO] [stdout]  26 | |     ///
[INFO] [stdout] ...   |
[INFO] [stdout]  46 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/generics.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/generics.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> syn/src/generics.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:370:20
[INFO] [stdout]     |
[INFO] [stdout] 370 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 | generics_wrapper_impls!(ImplGenerics);
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `generics_wrapper_impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:370:20
[INFO] [stdout]     |
[INFO] [stdout] 370 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | generics_wrapper_impls!(TypeGenerics);
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `generics_wrapper_impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:370:20
[INFO] [stdout]     |
[INFO] [stdout] 370 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 | generics_wrapper_impls!(Turbofish);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `generics_wrapper_impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:433:16
[INFO] [stdout]     |
[INFO] [stdout] 433 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:482:16
[INFO] [stdout]     |
[INFO] [stdout] 482 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/generics.rs:477:1
[INFO] [stdout]     |
[INFO] [stdout] 477 | / ast_enum_of_structs! {
[INFO] [stdout] 478 | |     /// A trait or lifetime used as a bound on a type parameter.
[INFO] [stdout] 479 | |     ///
[INFO] [stdout] 480 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 487 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:494:16
[INFO] [stdout]     |
[INFO] [stdout] 494 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:511:16
[INFO] [stdout]     |
[INFO] [stdout] 511 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:524:16
[INFO] [stdout]     |
[INFO] [stdout] 524 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:542:16
[INFO] [stdout]     |
[INFO] [stdout] 542 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/macros.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: syn/src/generics.rs:531:1
[INFO] [stdout]     |
[INFO] [stdout] 531 | / ast_enum_of_structs! {
[INFO] [stdout] 532 | |     /// A single predicate in a `where` clause: `T: Deserialize<'de>`.
[INFO] [stdout] 533 | |     ///
[INFO] [stdout] 534 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 553 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = 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)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:560:16
[INFO] [stdout]     |
[INFO] [stdout] 560 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:577:16
[INFO] [stdout]     |
[INFO] [stdout] 577 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:590:16
[INFO] [stdout]     |
[INFO] [stdout] 590 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         doc_cfg,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:603:16
[INFO] [stdout]     |
[INFO] [stdout] 603 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:657:16
[INFO] [stdout]     |
[INFO] [stdout] 657 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:684:16
[INFO] [stdout]     |
[INFO] [stdout] 684 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:722:16
[INFO] [stdout]     |
[INFO] [stdout] 722 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:744:16
[INFO] [stdout]     |
[INFO] [stdout] 744 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/expr.rs:2835:16
[INFO] [stdout]      |
[INFO] [stdout] 2835 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:755:16
[INFO] [stdout]     |
[INFO] [stdout] 755 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:809:16
[INFO] [stdout]     |
[INFO] [stdout] 809 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:828:16
[INFO] [stdout]     |
[INFO] [stdout] 828 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:849:16
[INFO] [stdout]     |
[INFO] [stdout] 849 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:860:16
[INFO] [stdout]     |
[INFO] [stdout] 860 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:884:16
[INFO] [stdout]     |
[INFO] [stdout] 884 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:915:16
[INFO] [stdout]     |
[INFO] [stdout] 915 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:926:16
[INFO] [stdout]     |
[INFO] [stdout] 926 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]    --> syn/src/generics.rs:999:16
[INFO] [stdout]     |
[INFO] [stdout] 999 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/generics.rs:1149:16
[INFO] [stdout]      |
[INFO] [stdout] 1149 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/generics.rs:1159:16
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]     --> syn/src/generics.rs:1171:16
[WARN] too many lines in the log, truncating it