[INFO] fetching crate janetrs 0.7.0...
[INFO] checking janetrs-0.7.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate janetrs 0.7.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate janetrs 0.7.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate janetrs 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate janetrs 0.7.0
[INFO] tweaked toml for crates.io crate janetrs 0.7.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate janetrs 0.7.0 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded janetrs_macros v0.6.0
[INFO] [stderr]   Downloaded janetrs_version v0.1.0
[INFO] [stderr]   Downloaded evil-janet v1.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9742e810765d247ca77facff37c08d1c271c2d46d59b7e692b697a068f9cd664
[INFO] running `Command { std: "docker" "start" "-a" "9742e810765d247ca77facff37c08d1c271c2d46d59b7e692b697a068f9cd664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9742e810765d247ca77facff37c08d1c271c2d46d59b7e692b697a068f9cd664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9742e810765d247ca77facff37c08d1c271c2d46d59b7e692b697a068f9cd664", kill_on_drop: false }`
[INFO] [stdout] 9742e810765d247ca77facff37c08d1c271c2d46d59b7e692b697a068f9cd664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0e8723d0d09c1fac4a33a84ebb537231fd957d823421941c0fa2f5364ae8a3
[INFO] running `Command { std: "docker" "start" "-a" "cb0e8723d0d09c1fac4a33a84ebb537231fd957d823421941c0fa2f5364ae8a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling evil-janet v1.33.0
[INFO] [stderr]    Compiling janetrs_version v0.1.0
[INFO] [stderr]    Compiling janetrs_macros v0.6.0
[INFO] [stderr]     Checking janetrs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 | #![cfg_attr(_doc, feature(doc_cfg))]
[INFO] [stdout]    |             ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [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 value: `asmjs`
[INFO] [stdout]   --> src/allocator.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     target_arch = "asmjs",
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/macros.rs:394:12
[INFO] [stdout]     |
[INFO] [stdout] 394 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types.rs:692:12
[INFO] [stdout]     |
[INFO] [stdout] 692 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:525:16
[INFO] [stdout]     |
[INFO] [stdout] 525 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:591:16
[INFO] [stdout]     |
[INFO] [stdout] 591 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:741:16
[INFO] [stdout]     |
[INFO] [stdout] 741 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:807:16
[INFO] [stdout]     |
[INFO] [stdout] 807 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:925:16
[INFO] [stdout]     |
[INFO] [stdout] 925 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:953:16
[INFO] [stdout]     |
[INFO] [stdout] 953 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:981:16
[INFO] [stdout]     |
[INFO] [stdout] 981 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1147:16
[INFO] [stdout]      |
[INFO] [stdout] 1147 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1163:16
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1179:16
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1195:16
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1698:16
[INFO] [stdout]      |
[INFO] [stdout] 1698 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1787:16
[INFO] [stdout]      |
[INFO] [stdout] 1787 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1822:16
[INFO] [stdout]      |
[INFO] [stdout] 1822 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1940:16
[INFO] [stdout]      |
[INFO] [stdout] 1940 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1973:16
[INFO] [stdout]      |
[INFO] [stdout] 1973 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2425:16
[INFO] [stdout]      |
[INFO] [stdout] 2425 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2461:16
[INFO] [stdout]      |
[INFO] [stdout] 2461 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2499:16
[INFO] [stdout]      |
[INFO] [stdout] 2499 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2530:16
[INFO] [stdout]      |
[INFO] [stdout] 2530 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/function.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/function.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 | #[cfg_attr(_doc, doc(cfg(all(unix, feature = "std"))))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | #[cfg_attr(_doc, doc(cfg(all(unix, feature = "std"))))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/io.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/io.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/io.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/abstract.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:380:16
[INFO] [stdout]     |
[INFO] [stdout] 380 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:448:16
[INFO] [stdout]     |
[INFO] [stdout] 448 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:555:16
[INFO] [stdout]     |
[INFO] [stdout] 555 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:620:16
[INFO] [stdout]     |
[INFO] [stdout] 620 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:694:16
[INFO] [stdout]     |
[INFO] [stdout] 694 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:718:16
[INFO] [stdout]     |
[INFO] [stdout] 718 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:742:16
[INFO] [stdout]     |
[INFO] [stdout] 742 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:901:16
[INFO] [stdout]     |
[INFO] [stdout] 901 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:917:16
[INFO] [stdout]     |
[INFO] [stdout] 917 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:932:16
[INFO] [stdout]     |
[INFO] [stdout] 932 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:948:16
[INFO] [stdout]     |
[INFO] [stdout] 948 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1448:16
[INFO] [stdout]      |
[INFO] [stdout] 1448 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1516:16
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1551:16
[INFO] [stdout]      |
[INFO] [stdout] 1551 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1669:16
[INFO] [stdout]      |
[INFO] [stdout] 1669 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1702:16
[INFO] [stdout]      |
[INFO] [stdout] 1702 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2154:16
[INFO] [stdout]      |
[INFO] [stdout] 2154 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2190:16
[INFO] [stdout]      |
[INFO] [stdout] 2190 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2228:16
[INFO] [stdout]      |
[INFO] [stdout] 2228 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2259:16
[INFO] [stdout]      |
[INFO] [stdout] 2259 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/table.rs:1893:12
[INFO] [stdout]      |
[INFO] [stdout] 1893 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 | #![cfg_attr(_doc, feature(doc_cfg))]
[INFO] [stdout]    |             ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [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 value: `asmjs`
[INFO] [stdout]   --> src/allocator.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     target_arch = "asmjs",
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/macros.rs:394:12
[INFO] [stdout]     |
[INFO] [stdout] 394 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types.rs:692:12
[INFO] [stdout]     |
[INFO] [stdout] 692 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:525:16
[INFO] [stdout]     |
[INFO] [stdout] 525 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:591:16
[INFO] [stdout]     |
[INFO] [stdout] 591 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:741:16
[INFO] [stdout]     |
[INFO] [stdout] 741 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:807:16
[INFO] [stdout]     |
[INFO] [stdout] 807 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:925:16
[INFO] [stdout]     |
[INFO] [stdout] 925 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:953:16
[INFO] [stdout]     |
[INFO] [stdout] 953 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:981:16
[INFO] [stdout]     |
[INFO] [stdout] 981 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1147:16
[INFO] [stdout]      |
[INFO] [stdout] 1147 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1163:16
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1179:16
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1195:16
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1698:16
[INFO] [stdout]      |
[INFO] [stdout] 1698 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1787:16
[INFO] [stdout]      |
[INFO] [stdout] 1787 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1822:16
[INFO] [stdout]      |
[INFO] [stdout] 1822 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1940:16
[INFO] [stdout]      |
[INFO] [stdout] 1940 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1973:16
[INFO] [stdout]      |
[INFO] [stdout] 1973 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2425:16
[INFO] [stdout]      |
[INFO] [stdout] 2425 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2461:16
[INFO] [stdout]      |
[INFO] [stdout] 2461 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2499:16
[INFO] [stdout]      |
[INFO] [stdout] 2499 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2530:16
[INFO] [stdout]      |
[INFO] [stdout] 2530 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/function.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/function.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 | #[cfg_attr(_doc, doc(cfg(all(unix, feature = "std"))))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/io.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | #[cfg_attr(_doc, doc(cfg(all(unix, feature = "std"))))]
[INFO] [stdout]     |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/io.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/io.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/io.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/abstract.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]    |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:380:16
[INFO] [stdout]     |
[INFO] [stdout] 380 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:448:16
[INFO] [stdout]     |
[INFO] [stdout] 448 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:555:16
[INFO] [stdout]     |
[INFO] [stdout] 555 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:620:16
[INFO] [stdout]     |
[INFO] [stdout] 620 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:694:16
[INFO] [stdout]     |
[INFO] [stdout] 694 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:718:16
[INFO] [stdout]     |
[INFO] [stdout] 718 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:742:16
[INFO] [stdout]     |
[INFO] [stdout] 742 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:901:16
[INFO] [stdout]     |
[INFO] [stdout] 901 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:917:16
[INFO] [stdout]     |
[INFO] [stdout] 917 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:932:16
[INFO] [stdout]     |
[INFO] [stdout] 932 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:948:16
[INFO] [stdout]     |
[INFO] [stdout] 948 |     #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]     |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1448:16
[INFO] [stdout]      |
[INFO] [stdout] 1448 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1516:16
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1551:16
[INFO] [stdout]      |
[INFO] [stdout] 1551 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1669:16
[INFO] [stdout]      |
[INFO] [stdout] 1669 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1702:16
[INFO] [stdout]      |
[INFO] [stdout] 1702 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2154:16
[INFO] [stdout]      |
[INFO] [stdout] 2154 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2190:16
[INFO] [stdout]      |
[INFO] [stdout] 2190 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2228:16
[INFO] [stdout]      |
[INFO] [stdout] 2228 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2259:16
[INFO] [stdout]      |
[INFO] [stdout] 2259 |     #[cfg_attr(_doc, doc(cfg(feature = "unicode")))]
[INFO] [stdout]      |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/table.rs:1893:12
[INFO] [stdout]      |
[INFO] [stdout] 1893 | #[cfg_attr(_doc, doc(cfg(feature = "std")))]
[INFO] [stdout]      |            ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(_doc)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(_doc)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/types/buffer.rs:2388:9
[INFO] [stdout]      |
[INFO] [stdout] 2387 |     pub fn utf8_chunks(&self) -> Utf8Chunks {
[INFO] [stdout]      |                                  ---------- expected `bstr::Utf8Chunks<'_>` because of return type
[INFO] [stdout] 2388 |         self.as_bytes().utf8_chunks()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bstr::Utf8Chunks<'_>`, found `std::str::Utf8Chunks<'_>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `std::str::Utf8Chunks<'_>` and `bstr::Utf8Chunks<'_>` have similar names, but are actually distinct types
[INFO] [stdout] note: `std::str::Utf8Chunks<'_>` is defined in crate `core`
[INFO] [stdout]     --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/str/lossy.rs:179:1
[INFO] [stdout] note: `bstr::Utf8Chunks<'_>` is defined in crate `bstr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bstr-1.9.1/src/utf8.rs:227:1
[INFO] [stdout]      |
[INFO] [stdout] 227  | pub struct Utf8Chunks<'a> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/types/buffer.rs:2388:9
[INFO] [stdout]      |
[INFO] [stdout] 2387 |     pub fn utf8_chunks(&self) -> Utf8Chunks {
[INFO] [stdout]      |                                  ---------- expected `bstr::Utf8Chunks<'_>` because of return type
[INFO] [stdout] 2388 |         self.as_bytes().utf8_chunks()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bstr::Utf8Chunks<'_>`, found `std::str::Utf8Chunks<'_>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `std::str::Utf8Chunks<'_>` and `bstr::Utf8Chunks<'_>` have similar names, but are actually distinct types
[INFO] [stdout] note: `std::str::Utf8Chunks<'_>` is defined in crate `core`
[INFO] [stdout]     --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/str/lossy.rs:179:1
[INFO] [stdout] note: `bstr::Utf8Chunks<'_>` is defined in crate `bstr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bstr-1.9.1/src/utf8.rs:227:1
[INFO] [stdout]      |
[INFO] [stdout] 227  | pub struct Utf8Chunks<'a> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/types/string.rs:2117:9
[INFO] [stdout]      |
[INFO] [stdout] 2116 |     pub fn utf8_chunks(&self) -> Utf8Chunks {
[INFO] [stdout]      |                                  ---------- expected `bstr::Utf8Chunks<'_>` because of return type
[INFO] [stdout] 2117 |         self.as_bytes().utf8_chunks()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bstr::Utf8Chunks<'_>`, found `std::str::Utf8Chunks<'_>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `std::str::Utf8Chunks<'_>` and `bstr::Utf8Chunks<'_>` have similar names, but are actually distinct types
[INFO] [stdout] note: `std::str::Utf8Chunks<'_>` is defined in crate `core`
[INFO] [stdout]     --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/str/lossy.rs:179:1
[INFO] [stdout] note: `bstr::Utf8Chunks<'_>` is defined in crate `bstr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bstr-1.9.1/src/utf8.rs:227:1
[INFO] [stdout]      |
[INFO] [stdout] 227  | pub struct Utf8Chunks<'a> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/types/string.rs:2117:9
[INFO] [stdout]      |
[INFO] [stdout] 2116 |     pub fn utf8_chunks(&self) -> Utf8Chunks {
[INFO] [stdout]      |                                  ---------- expected `bstr::Utf8Chunks<'_>` because of return type
[INFO] [stdout] 2117 |         self.as_bytes().utf8_chunks()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bstr::Utf8Chunks<'_>`, found `std::str::Utf8Chunks<'_>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `std::str::Utf8Chunks<'_>` and `bstr::Utf8Chunks<'_>` have similar names, but are actually distinct types
[INFO] [stdout] note: `std::str::Utf8Chunks<'_>` is defined in crate `core`
[INFO] [stdout]     --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/str/lossy.rs:179:1
[INFO] [stdout] note: `bstr::Utf8Chunks<'_>` is defined in crate `bstr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bstr-1.9.1/src/utf8.rs:227:1
[INFO] [stdout]      |
[INFO] [stdout] 227  | pub struct Utf8Chunks<'a> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `janetrs` (lib) due to 2 previous errors; 57 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `janetrs` (lib test) due to 2 previous errors; 57 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cb0e8723d0d09c1fac4a33a84ebb537231fd957d823421941c0fa2f5364ae8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0e8723d0d09c1fac4a33a84ebb537231fd957d823421941c0fa2f5364ae8a3", kill_on_drop: false }`
[INFO] [stdout] cb0e8723d0d09c1fac4a33a84ebb537231fd957d823421941c0fa2f5364ae8a3
