Build #2680299 2025-11-23 03:01:11
# rustc version
rustc 1.93.0-nightly (94b49fd99 2025-11-22)# docs.rs version
docsrs 0.6.0 (46df4db8 2025-11-22 )# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/libperl-rs-0.3.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/libperl-rs-0.3.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20251122-1.93.0-nightly-94b49fd99\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72305f6671404b83a5ac23747b445bef1dd27fc4c0231d871bdb50036df4d8d0
[INFO] running `Command { std: "docker" "start" "-a" "72305f6671404b83a5ac23747b445bef1dd27fc4c0231d871bdb50036df4d8d0", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:10:7
[INFO] [stderr] |
[INFO] [stderr] 10 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:18:11
[INFO] [stderr] |
[INFO] [stderr] 18 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:26:7
[INFO] [stderr] |
[INFO] [stderr] 26 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:34:11
[INFO] [stderr] |
[INFO] [stderr] 34 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:67:7
[INFO] [stderr] |
[INFO] [stderr] 67 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:71:11
[INFO] [stderr] |
[INFO] [stderr] 71 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:74:7
[INFO] [stderr] |
[INFO] [stderr] 74 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:81:11
[INFO] [stderr] |
[INFO] [stderr] 81 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:88:7
[INFO] [stderr] |
[INFO] [stderr] 88 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:93:11
[INFO] [stderr] |
[INFO] [stderr] 93 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:60:11
[INFO] [stderr] |
[INFO] [stderr] 60 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:62:15
[INFO] [stderr] |
[INFO] [stderr] 62 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:111:11
[INFO] [stderr] |
[INFO] [stderr] 111 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:173:11
[INFO] [stderr] |
[INFO] [stderr] 173 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:177:15
[INFO] [stderr] |
[INFO] [stderr] 177 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:187:11
[INFO] [stderr] |
[INFO] [stderr] 187 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:192:15
[INFO] [stderr] |
[INFO] [stderr] 192 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:197:11
[INFO] [stderr] |
[INFO] [stderr] 197 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:202:15
[INFO] [stderr] |
[INFO] [stderr] 202 | #[cfg(not(perl_useithreads))]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perlapi_ver26`
[INFO] [stderr] --> src/perl.rs:207:15
[INFO] [stderr] |
[INFO] [stderr] 207 | #[cfg(all(perlapi_ver26))]
[INFO] [stderr] | ^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perlapi_ver26)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perlapi_ver26)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:233:11
[INFO] [stderr] |
[INFO] [stderr] 233 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: unexpected `cfg` condition name: `perl_useithreads`
[INFO] [stderr] --> src/perl.rs:248:11
[INFO] [stderr] |
[INFO] [stderr] 248 | #[cfg(perl_useithreads)]
[INFO] [stderr] | ^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = help: consider using a Cargo feature instead
[INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr] [lints.rust]
[INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(perl_useithreads)'] }
[INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(perl_useithreads)");` to the top of the `build.rs`
[INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]
[INFO] [stderr] warning: `libperl-rs` (lib) generated 22 warnings
[INFO] [stderr] Scraping libperl-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] Documenting libperl-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `libperl-rs` (lib doc) generated 22 warnings (22 duplicates)
[INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/libperl_rs/index.html
[INFO] running `Command { std: "docker" "inspect" "72305f6671404b83a5ac23747b445bef1dd27fc4c0231d871bdb50036df4d8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72305f6671404b83a5ac23747b445bef1dd27fc4c0231d871bdb50036df4d8d0", kill_on_drop: false }`
[INFO] [stdout] 72305f6671404b83a5ac23747b445bef1dd27fc4c0231d871bdb50036df4d8d0