# rustc version rustc 1.100.0-nightly (908501772 2026-08-30)
# docs.rs version docsrs 0.0.0 (6c3c2ab33f39d2284fd26cea84fae0598b4cbd55 2026-08-24 )
# build log [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "8924e088335f1379cbfe7e166abd1cd6a39f9408726e83e8465e38b0381ab622" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=html-non-static-files\", \"--resource-suffix\", \"-20260830-1.100.0-nightly-908501772\", \"--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\"" "-j12" "--target" "x86_64-unknown-linux-gnu" "-Zrustdoc-scrape-examples", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting concurrent-queue v2.5.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition name: `loom` [INFO] [stderr] --> src/bounded.rs:209:23 [INFO] [stderr] | [INFO] [stderr] 209 | #[cfg(loom)] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 34 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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/bounded.rs:281:23 [INFO] [stderr] | [INFO] [stderr] 281 | #[cfg(loom)] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/unbounded.rs:43:15 [INFO] [stderr] | [INFO] [stderr] 43 | #[cfg(not(loom))] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/unbounded.rs:49:15 [INFO] [stderr] | [INFO] [stderr] 49 | #[cfg(not(loom))] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/unbounded.rs:54:11 [INFO] [stderr] | [INFO] [stderr] 54 | #[cfg(loom)] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/unbounded.rs:153:29 [INFO] [stderr] | [INFO] [stderr] 153 | const_if: #[cfg(not(loom))]; [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/sync.rs:3:44 [INFO] [stderr] | [INFO] [stderr] 3 | #[cfg(all(feature = "portable-atomic", not(loom)))] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/sync.rs:15:49 [INFO] [stderr] | [INFO] [stderr] 15 | #[cfg(all(not(feature = "portable-atomic"), not(loom)))] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/sync.rs:31:7 [INFO] [stderr] | [INFO] [stderr] 31 | #[cfg(loom)] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/sync.rs:57:7 [INFO] [stderr] | [INFO] [stderr] 57 | #[cfg(loom)] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/sync.rs:60:11 [INFO] [stderr] | [INFO] [stderr] 60 | #[cfg(not(loom))] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/lib.rs:153:29 [INFO] [stderr] | [INFO] [stderr] 153 | const_if: #[cfg(not(loom))]; [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stderr] --> src/lib.rs:633:80 [INFO] [stderr] | [INFO] [stderr] 633 | #[cfg(all(any(target_arch = "x86", target_arch = "x86_64"), not(miri), not(loom)))] [INFO] [stderr] | ^^^^ help: found config with similar value: `feature = "loom"` [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(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `concurrent-queue` (lib doc) generated 13 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/concurrent_queue/index.html [INFO] running `Command { std: "docker" "inspect" "8924e088335f1379cbfe7e166abd1cd6a39f9408726e83e8465e38b0381ab622", kill_on_drop: false }`