[INFO] fetching crate heim-cpu 0.1.0-rc.1...
[INFO] checking heim-cpu-0.1.0-rc.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate heim-cpu 0.1.0-rc.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate heim-cpu 0.1.0-rc.1 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 heim-cpu 0.1.0-rc.1
[INFO] finished tweaking crates.io crate heim-cpu 0.1.0-rc.1
[INFO] tweaked toml for crates.io crate heim-cpu 0.1.0-rc.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heim-runtime v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-common v0.1.0-rc.1
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded heim-derive v0.1.0-rc.1
[INFO] [stderr]   Downloaded uom v0.30.0
[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] dc2ffe1e30b0d994575350fa28bc75300a1b7c28724cf99c39d472433ed6793e
[INFO] running `Command { std: "docker" "start" "-a" "dc2ffe1e30b0d994575350fa28bc75300a1b7c28724cf99c39d472433ed6793e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2ffe1e30b0d994575350fa28bc75300a1b7c28724cf99c39d472433ed6793e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2ffe1e30b0d994575350fa28bc75300a1b7c28724cf99c39d472433ed6793e", kill_on_drop: false }`
[INFO] [stdout] dc2ffe1e30b0d994575350fa28bc75300a1b7c28724cf99c39d472433ed6793e
[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] 4e6cdfcc7062fae20d5984ee90a84655d5c46fefbae6363076e63b21707d78db
[INFO] running `Command { std: "docker" "start" "-a" "4e6cdfcc7062fae20d5984ee90a84655d5c46fefbae6363076e63b21707d78db", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]     Checking winnow v0.5.37
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking polling v3.4.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking async-io v2.3.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling heim-derive v0.1.0-rc.1
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking heim-runtime v0.1.0-rc.1
[INFO] [stderr]     Checking heim-cpu v0.1.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "4e6cdfcc7062fae20d5984ee90a84655d5c46fefbae6363076e63b21707d78db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6cdfcc7062fae20d5984ee90a84655d5c46fefbae6363076e63b21707d78db", kill_on_drop: false }`
[INFO] [stdout] 4e6cdfcc7062fae20d5984ee90a84655d5c46fefbae6363076e63b21707d78db
[INFO] checking heim-cpu-0.1.0-rc.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate heim-cpu 0.1.0-rc.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate heim-cpu 0.1.0-rc.1 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 heim-cpu 0.1.0-rc.1
[INFO] finished tweaking crates.io crate heim-cpu 0.1.0-rc.1
[INFO] tweaked toml for crates.io crate heim-cpu 0.1.0-rc.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] f1be9fa2b396c580ea2503b6943bd3557672525c05b40e3b09d62ed462fccdd5
[INFO] running `Command { std: "docker" "start" "-a" "f1be9fa2b396c580ea2503b6943bd3557672525c05b40e3b09d62ed462fccdd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1be9fa2b396c580ea2503b6943bd3557672525c05b40e3b09d62ed462fccdd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1be9fa2b396c580ea2503b6943bd3557672525c05b40e3b09d62ed462fccdd5", kill_on_drop: false }`
[INFO] [stdout] f1be9fa2b396c580ea2503b6943bd3557672525c05b40e3b09d62ed462fccdd5
[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] 9b91fef0dfcac41db8955deae6b7405bdd456e17f118687691bb935d67953da7
[INFO] running `Command { std: "docker" "start" "-a" "9b91fef0dfcac41db8955deae6b7405bdd456e17f118687691bb935d67953da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking winnow v0.5.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking polling v3.4.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking async-io v2.3.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]    Compiling heim-derive v0.1.0-rc.1
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking heim-runtime v0.1.0-rc.1
[INFO] [stderr]     Checking heim-cpu v0.1.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(docsrs, feature(doc_cfg))]
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` 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: `docsrs`
[INFO] [stdout]  --> src/os/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(docsrs, doc(cfg(unix)))]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` 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: `docsrs`
[INFO] [stdout]  --> src/os/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg_attr(docsrs, doc(cfg(target_os = "linux")))]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` 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: `docsrs`
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(docsrs, feature(doc_cfg))]
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` 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: `docsrs`
[INFO] [stdout]  --> src/os/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(docsrs, doc(cfg(unix)))]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` 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: `docsrs`
[INFO] [stdout]  --> src/os/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg_attr(docsrs, doc(cfg(target_os = "linux")))]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` 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 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heim-cpu` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heim-cpu` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "9b91fef0dfcac41db8955deae6b7405bdd456e17f118687691bb935d67953da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b91fef0dfcac41db8955deae6b7405bdd456e17f118687691bb935d67953da7", kill_on_drop: false }`
[INFO] [stdout] 9b91fef0dfcac41db8955deae6b7405bdd456e17f118687691bb935d67953da7
