# rustc version rustc 1.98.0-nightly (d595fce01 2026-06-02)
# docs.rs version docsrs 0.0.0 (39849b9c22c419f6b690c8d2213455bc7426a6b8 2026-06-03 )
# 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" "19bd55d670e71ab1c3ddd9f9b97d5991af78baf823d6eb88a57495c109cde94a" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-C\", \"opt-level=3\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260602-1.98.0-nightly-d595fce01\", \"--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" "--release", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting build_assert v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition name: `build` [INFO] [stderr] --> src/lib.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | #![cfg_attr(build = "debug", doc = "```should_panic")] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 32 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(build, values("debug"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"debug\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | #![cfg_attr(build = "release", doc = "```compile_fail")] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:143:11 [INFO] [stderr] | [INFO] [stderr] 143 | #[cfg(all(build = "release", feature = "no_asm"))] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:151:11 [INFO] [stderr] | [INFO] [stderr] 151 | #[cfg(all(build = "release", feature = "no_asm"))] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:156:11 [INFO] [stderr] | [INFO] [stderr] 156 | #[cfg(all(build = "release", feature = "no_asm"))] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:174:7 [INFO] [stderr] | [INFO] [stderr] 174 | #[cfg(build = "debug")] [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(build, values("debug"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"debug\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:193:11 [INFO] [stderr] | [INFO] [stderr] 193 | #[cfg(all(build = "release", not(feature = "no_asm")))] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:221:11 [INFO] [stderr] | [INFO] [stderr] 221 | #[cfg(all(build = "release", feature = "no_asm"))] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:249:12 [INFO] [stderr] | [INFO] [stderr] 249 | #[cfg_attr(build = "debug", doc = "```should_panic")] [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(build, values("debug"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"debug\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:250:12 [INFO] [stderr] | [INFO] [stderr] 250 | #[cfg_attr(build = "release", doc = "```compile_fail")] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:292:12 [INFO] [stderr] | [INFO] [stderr] 292 | #[cfg_attr(build = "debug", doc = "```should_panic")] [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(build, values("debug"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"debug\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:293:12 [INFO] [stderr] | [INFO] [stderr] 293 | #[cfg_attr(build = "release", doc = "```compile_fail")] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:352:12 [INFO] [stderr] | [INFO] [stderr] 352 | #[cfg_attr(build = "debug", doc = "```should_panic")] [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(build, values("debug"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"debug\"))");` 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: `build` [INFO] [stderr] --> src/lib.rs:353:12 [INFO] [stderr] | [INFO] [stderr] 353 | #[cfg_attr(build = "release", doc = "```compile_fail")] [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(build, values("release"))'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(build, values(\"release\"))");` 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: `build_assert` (lib doc) generated 14 warnings [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.24s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/build_assert/index.html [INFO] running `Command { std: "docker" "inspect" "19bd55d670e71ab1c3ddd9f9b97d5991af78baf823d6eb88a57495c109cde94a", kill_on_drop: false }`