[INFO] fetching crate janetrs 0.6.0...
[INFO] checking janetrs-0.6.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate janetrs 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate janetrs 0.6.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate janetrs 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate janetrs 0.6.0
[INFO] tweaked toml for crates.io crate janetrs 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate janetrs 0.6.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettyplease v0.2.15
[INFO] [stderr]   Downloaded janetrs_macros v0.6.0
[INFO] [stderr]   Downloaded janetrs_version v0.1.0
[INFO] [stderr]   Downloaded evil-janet v1.30.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4718a03ee59cbc5205f9cd727a0112d5ee9fdd7b54f63e5e56d2443b37181f3e
[INFO] running `Command { std: "docker" "start" "-a" "4718a03ee59cbc5205f9cd727a0112d5ee9fdd7b54f63e5e56d2443b37181f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4718a03ee59cbc5205f9cd727a0112d5ee9fdd7b54f63e5e56d2443b37181f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4718a03ee59cbc5205f9cd727a0112d5ee9fdd7b54f63e5e56d2443b37181f3e", kill_on_drop: false }`
[INFO] [stdout] 4718a03ee59cbc5205f9cd727a0112d5ee9fdd7b54f63e5e56d2443b37181f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c451cd18736e062669e38e0cef8e609d49ad925a6be787ca61e019606d140b62
[INFO] running `Command { std: "docker" "start" "-a" "c451cd18736e062669e38e0cef8e609d49ad925a6be787ca61e019606d140b62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling bindgen v0.68.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling evil-janet v1.30.1
[INFO] [stderr]    Compiling janetrs_version v0.1.0
[INFO] [stderr]    Compiling janetrs_macros v0.6.0
[INFO] [stderr]     Checking janetrs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.80s
[INFO] running `Command { std: "docker" "inspect" "c451cd18736e062669e38e0cef8e609d49ad925a6be787ca61e019606d140b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c451cd18736e062669e38e0cef8e609d49ad925a6be787ca61e019606d140b62", kill_on_drop: false }`
[INFO] [stdout] c451cd18736e062669e38e0cef8e609d49ad925a6be787ca61e019606d140b62
[INFO] checking janetrs-0.6.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate janetrs 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate janetrs 0.6.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate janetrs 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate janetrs 0.6.0
[INFO] tweaked toml for crates.io crate janetrs 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate janetrs 0.6.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d89e6f945a4814abfd612d0b538ebbe291f555d6ddab8832c07ba431ec8d7b59
[INFO] running `Command { std: "docker" "start" "-a" "d89e6f945a4814abfd612d0b538ebbe291f555d6ddab8832c07ba431ec8d7b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89e6f945a4814abfd612d0b538ebbe291f555d6ddab8832c07ba431ec8d7b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89e6f945a4814abfd612d0b538ebbe291f555d6ddab8832c07ba431ec8d7b59", kill_on_drop: false }`
[INFO] [stdout] d89e6f945a4814abfd612d0b538ebbe291f555d6ddab8832c07ba431ec8d7b59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 7e2b762137dce77d207fafde2b924ddab52b09ea8a0862ee1bffe25f038d412c
[INFO] running `Command { std: "docker" "start" "-a" "7e2b762137dce77d207fafde2b924ddab52b09ea8a0862ee1bffe25f038d412c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bindgen v0.68.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling evil-janet v1.30.1
[INFO] [stderr]    Compiling janetrs_version v0.1.0
[INFO] [stderr]    Compiling janetrs_macros v0.6.0
[INFO] [stderr]     Checking janetrs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types.rs:691:12
[INFO] [stdout]     |
[INFO] [stdout] 691 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:522:16
[INFO] [stdout]     |
[INFO] [stdout] 522 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:588:16
[INFO] [stdout]     |
[INFO] [stdout] 588 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:738:16
[INFO] [stdout]     |
[INFO] [stdout] 738 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:804:16
[INFO] [stdout]     |
[INFO] [stdout] 804 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types.rs:691:12
[INFO] [stdout]     |
[INFO] [stdout] 691 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:922:16
[INFO] [stdout]     |
[INFO] [stdout] 922 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:950:16
[INFO] [stdout]     |
[INFO] [stdout] 950 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:978:16
[INFO] [stdout]     |
[INFO] [stdout] 978 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:522:16
[INFO] [stdout]     |
[INFO] [stdout] 522 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1144:16
[INFO] [stdout]      |
[INFO] [stdout] 1144 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1160:16
[INFO] [stdout]      |
[INFO] [stdout] 1160 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:588:16
[INFO] [stdout]     |
[INFO] [stdout] 588 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1176:16
[INFO] [stdout]      |
[INFO] [stdout] 1176 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:738:16
[INFO] [stdout]     |
[INFO] [stdout] 738 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1192:16
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:804:16
[INFO] [stdout]     |
[INFO] [stdout] 804 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1695:16
[INFO] [stdout]      |
[INFO] [stdout] 1695 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1784:16
[INFO] [stdout]      |
[INFO] [stdout] 1784 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:922:16
[INFO] [stdout]     |
[INFO] [stdout] 922 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1819:16
[INFO] [stdout]      |
[INFO] [stdout] 1819 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:950:16
[INFO] [stdout]     |
[INFO] [stdout] 950 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1937:16
[INFO] [stdout]      |
[INFO] [stdout] 1937 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/buffer.rs:978:16
[INFO] [stdout]     |
[INFO] [stdout] 978 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1970:16
[INFO] [stdout]      |
[INFO] [stdout] 1970 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1144:16
[INFO] [stdout]      |
[INFO] [stdout] 1144 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2422:16
[INFO] [stdout]      |
[INFO] [stdout] 2422 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1160:16
[INFO] [stdout]      |
[INFO] [stdout] 1160 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2458:16
[INFO] [stdout]      |
[INFO] [stdout] 2458 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1176:16
[INFO] [stdout]      |
[INFO] [stdout] 1176 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2496:16
[INFO] [stdout]      |
[INFO] [stdout] 2496 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1192:16
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2527:16
[INFO] [stdout]      |
[INFO] [stdout] 2527 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1695:16
[INFO] [stdout]      |
[INFO] [stdout] 1695 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1784:16
[INFO] [stdout]      |
[INFO] [stdout] 1784 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1819:16
[INFO] [stdout]      |
[INFO] [stdout] 1819 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1937:16
[INFO] [stdout]      |
[INFO] [stdout] 1937 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:1970:16
[INFO] [stdout]      |
[INFO] [stdout] 1970 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2422:16
[INFO] [stdout]      |
[INFO] [stdout] 2422 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2458:16
[INFO] [stdout]      |
[INFO] [stdout] 2458 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2496:16
[INFO] [stdout]      |
[INFO] [stdout] 2496 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/buffer.rs:2527:16
[INFO] [stdout]      |
[INFO] [stdout] 2527 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/abstract.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:378:16
[INFO] [stdout]     |
[INFO] [stdout] 378 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:446:16
[INFO] [stdout]     |
[INFO] [stdout] 446 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:553:16
[INFO] [stdout]     |
[INFO] [stdout] 553 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:618:16
[INFO] [stdout]     |
[INFO] [stdout] 618 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:692:16
[INFO] [stdout]     |
[INFO] [stdout] 692 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]   --> src/types/abstract.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:716:16
[INFO] [stdout]     |
[INFO] [stdout] 716 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:378:16
[INFO] [stdout]     |
[INFO] [stdout] 378 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:740:16
[INFO] [stdout]     |
[INFO] [stdout] 740 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:446:16
[INFO] [stdout]     |
[INFO] [stdout] 446 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:899:16
[INFO] [stdout]     |
[INFO] [stdout] 899 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:553:16
[INFO] [stdout]     |
[INFO] [stdout] 553 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:915:16
[INFO] [stdout]     |
[INFO] [stdout] 915 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:930:16
[INFO] [stdout]     |
[INFO] [stdout] 930 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:618:16
[INFO] [stdout]     |
[INFO] [stdout] 618 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:946:16
[INFO] [stdout]     |
[INFO] [stdout] 946 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:692:16
[INFO] [stdout]     |
[INFO] [stdout] 692 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:716:16
[INFO] [stdout]     |
[INFO] [stdout] 716 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1446:16
[INFO] [stdout]      |
[INFO] [stdout] 1446 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:740:16
[INFO] [stdout]     |
[INFO] [stdout] 740 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1514:16
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1549:16
[INFO] [stdout]      |
[INFO] [stdout] 1549 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:899:16
[INFO] [stdout]     |
[INFO] [stdout] 899 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:915:16
[INFO] [stdout]     |
[INFO] [stdout] 915 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1667:16
[INFO] [stdout]      |
[INFO] [stdout] 1667 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1700:16
[INFO] [stdout]      |
[INFO] [stdout] 1700 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:930:16
[INFO] [stdout]     |
[INFO] [stdout] 930 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2152:16
[INFO] [stdout]      |
[INFO] [stdout] 2152 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]    --> src/types/string.rs:946:16
[INFO] [stdout]     |
[INFO] [stdout] 946 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2188:16
[INFO] [stdout]      |
[INFO] [stdout] 2188 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1446:16
[INFO] [stdout]      |
[INFO] [stdout] 1446 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2226:16
[INFO] [stdout]      |
[INFO] [stdout] 2226 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1514:16
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2257:16
[INFO] [stdout]      |
[INFO] [stdout] 2257 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1549:16
[INFO] [stdout]      |
[INFO] [stdout] 1549 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1667:16
[INFO] [stdout]      |
[INFO] [stdout] 1667 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:1700:16
[INFO] [stdout]      |
[INFO] [stdout] 1700 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2152:16
[INFO] [stdout]      |
[INFO] [stdout] 2152 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2188:16
[INFO] [stdout]      |
[INFO] [stdout] 2188 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2226:16
[INFO] [stdout]      |
[INFO] [stdout] 2226 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/table.rs:1892:12
[INFO] [stdout]      |
[INFO] [stdout] 1892 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/string.rs:2257:16
[INFO] [stdout]      |
[INFO] [stdout] 2257 |     #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `_doc`
[INFO] [stdout]     --> src/types/table.rs:1892:12
[INFO] [stdout]      |
[INFO] [stdout] 1892 | #[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 or adding `println!("cargo:rustc-check-cfg=cfg(_doc)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 57 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 57 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `janetrs` (lib test) due to 58 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `janetrs` (lib) due to 58 previous errors
[INFO] running `Command { std: "docker" "inspect" "7e2b762137dce77d207fafde2b924ddab52b09ea8a0862ee1bffe25f038d412c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2b762137dce77d207fafde2b924ddab52b09ea8a0862ee1bffe25f038d412c", kill_on_drop: false }`
[INFO] [stdout] 7e2b762137dce77d207fafde2b924ddab52b09ea8a0862ee1bffe25f038d412c
