# rustc version rustc 1.98.0-nightly (485ec3fbc 2026-06-10)
# 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" "f8010c3231a96a336f0aec2afa438d03ad4060632608196374b55317ebb850f3" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260610-1.98.0-nightly-485ec3fbc\", \"--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: Cargo.toml: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html [INFO] [stderr] warning: `slice-ring-buffer` (manifest) generated 1 warning [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting slice-ring-buffer v0.3.4 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:122:5 [INFO] [stderr] | [INFO] [stderr] 122 | feature = "unstable", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:132:23 [INFO] [stderr] | [INFO] [stderr] 132 | #![cfg_attr(all(test, feature = "unstable"), feature(box_syntax))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `bytes_buf` [INFO] [stderr] --> src/lib.rs:162:11 [INFO] [stderr] | [INFO] [stderr] 162 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `bytes_buf` as a feature in `Cargo.toml` [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 value: `bytes_buf` [INFO] [stderr] --> src/lib.rs:168:11 [INFO] [stderr] | [INFO] [stderr] 168 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `bytes_buf` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:175:7 [INFO] [stderr] | [INFO] [stderr] 175 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:179:11 [INFO] [stderr] | [INFO] [stderr] 179 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:212:11 [INFO] [stderr] | [INFO] [stderr] 212 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:229:7 [INFO] [stderr] | [INFO] [stderr] 229 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2263:7 [INFO] [stderr] | [INFO] [stderr] 2263 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2271:7 [INFO] [stderr] | [INFO] [stderr] 2271 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2425:7 [INFO] [stderr] | [INFO] [stderr] 2425 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2433:7 [INFO] [stderr] | [INFO] [stderr] 2433 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2436:7 [INFO] [stderr] | [INFO] [stderr] 2436 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2450:7 [INFO] [stderr] | [INFO] [stderr] 2450 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2463:11 [INFO] [stderr] | [INFO] [stderr] 2463 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2617:7 [INFO] [stderr] | [INFO] [stderr] 2617 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2658:7 [INFO] [stderr] | [INFO] [stderr] 2658 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2690:11 [INFO] [stderr] | [INFO] [stderr] 2690 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2705:7 [INFO] [stderr] | [INFO] [stderr] 2705 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2720:7 [INFO] [stderr] | [INFO] [stderr] 2720 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2801:7 [INFO] [stderr] | [INFO] [stderr] 2801 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2832:7 [INFO] [stderr] | [INFO] [stderr] 2832 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2839:7 [INFO] [stderr] | [INFO] [stderr] 2839 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2893:7 [INFO] [stderr] | [INFO] [stderr] 2893 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2897:7 [INFO] [stderr] | [INFO] [stderr] 2897 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `bytes_buf` [INFO] [stderr] --> src/lib.rs:3075:11 [INFO] [stderr] | [INFO] [stderr] 3075 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `bytes_buf` as a feature in `Cargo.toml` [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 value: `bytes_buf` [INFO] [stderr] --> src/lib.rs:3107:11 [INFO] [stderr] | [INFO] [stderr] 3107 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `bytes_buf` as a feature in `Cargo.toml` [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 value: `bytes_buf` [INFO] [stderr] --> src/lib.rs:3116:11 [INFO] [stderr] | [INFO] [stderr] 3116 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `bytes_buf` as a feature in `Cargo.toml` [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 value: `bytes_buf` [INFO] [stderr] --> src/lib.rs:3125:11 [INFO] [stderr] | [INFO] [stderr] 3125 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `bytes_buf` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2828 | impl_spec_from_elem!(i8, |x| x == 0); [INFO] [stderr] | ------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2829 | impl_spec_from_elem!(i16, |x| x == 0); [INFO] [stderr] | ------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2830 | impl_spec_from_elem!(i32, |x| x == 0); [INFO] [stderr] | ------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2831 | impl_spec_from_elem!(i64, |x| x == 0); [INFO] [stderr] | ------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2834 | impl_spec_from_elem!(isize, |x| x == 0); [INFO] [stderr] | --------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2836 | impl_spec_from_elem!(u16, |x| x == 0); [INFO] [stderr] | ------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2837 | impl_spec_from_elem!(u32, |x| x == 0); [INFO] [stderr] | ------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2838 | impl_spec_from_elem!(u64, |x| x == 0); [INFO] [stderr] | ------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2841 | impl_spec_from_elem!(usize, |x| x == 0); [INFO] [stderr] | --------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2843 | impl_spec_from_elem!(f32, |x: f32| x == 0. && x.is_sign_positive()); [INFO] [stderr] | ------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:2816:15 [INFO] [stderr] | [INFO] [stderr] 2816 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 2844 | impl_spec_from_elem!(f64, |x: f64| x == 0. && x.is_sign_positive()); [INFO] [stderr] | ------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `unstable` [INFO] [stderr] --> src/lib.rs:1885:15 [INFO] [stderr] | [INFO] [stderr] 1885 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:1889:19 [INFO] [stderr] | [INFO] [stderr] 1889 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2300:11 [INFO] [stderr] | [INFO] [stderr] 2300 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2596:11 [INFO] [stderr] | [INFO] [stderr] 2596 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2601:11 [INFO] [stderr] | [INFO] [stderr] 2601 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2606:15 [INFO] [stderr] | [INFO] [stderr] 2606 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2611:15 [INFO] [stderr] | [INFO] [stderr] 2611 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2786:11 [INFO] [stderr] | [INFO] [stderr] 2786 | #[cfg(feature = "unstable")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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 value: `unstable` [INFO] [stderr] --> src/lib.rs:2793:15 [INFO] [stderr] | [INFO] [stderr] 2793 | #[cfg(not(feature = "unstable"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std` [INFO] [stderr] = help: consider adding `unstable` as a feature in `Cargo.toml` [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: Rust code block is empty [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | //! ```rust [INFO] [stderr] | _____^ [INFO] [stderr] 8 | | //! // [ 0 | 0 | 0 | T | T | T | 0 ] [INFO] [stderr] 9 | | //! // ^:head ^:tail [INFO] [stderr] 10 | | //! ``` [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default [INFO] [stderr] [INFO] [stderr] warning: Rust code block is empty [INFO] [stderr] --> src/lib.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | //! ```rust [INFO] [stderr] | _____^ [INFO] [stderr] 16 | | //! // [ T | T | 0 | T | T | T | T ] [INFO] [stderr] 17 | | //! // ^:tail ^:head [INFO] [stderr] 18 | | //! ``` [INFO] [stderr] | |_______^ [INFO] [stderr] [INFO] [stderr] warning: Rust code block is empty [INFO] [stderr] --> src/lib.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | //! ```rust [INFO] [stderr] | _____^ [INFO] [stderr] 35 | | //! // Virtual memory: [INFO] [stderr] 36 | | //! // [INFO] [stderr] 37 | | //! // __________region_0_________ __________region_1_________ [INFO] [stderr] ... | [INFO] [stderr] 44 | | //! // ^:head ^:tail [INFO] [stderr] 45 | | //! ``` [INFO] [stderr] | |_______^ [INFO] [stderr] [INFO] [stderr] warning: Rust code block is empty [INFO] [stderr] --> src/lib.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | //! ```rust [INFO] [stderr] | _____^ [INFO] [stderr] 56 | | //! // Virtual memory: [INFO] [stderr] 57 | | //! // [INFO] [stderr] 58 | | //! // __________region_0_________ __________region_1_________ [INFO] [stderr] ... | [INFO] [stderr] 65 | | //! // ^:tail ^:head [INFO] [stderr] 66 | | //! ``` [INFO] [stderr] | |_______^ [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/lib.rs:2597:5 [INFO] [stderr] | [INFO] [stderr] 2597 | default fn from_iter(iterator: I) -> Self { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/lib.rs:2602:5 [INFO] [stderr] | [INFO] [stderr] 2602 | default fn spec_extend(&mut self, iter: I) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/lib.rs:2622:5 [INFO] [stderr] | [INFO] [stderr] 2622 | default fn from_iter(iterator: I) -> Self { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/lib.rs:2629:5 [INFO] [stderr] | [INFO] [stderr] 2629 | default fn spec_extend(&mut self, iterator: I) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/lib.rs:2711:5 [INFO] [stderr] | [INFO] [stderr] 2711 | default fn from_iter(iterator: I) -> Self { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/lib.rs:2715:5 [INFO] [stderr] | [INFO] [stderr] 2715 | default fn spec_extend(&mut self, iterator: I) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] [INFO] [stderr] warning: specialization is experimental [INFO] [stderr] --> src/lib.rs:2787:5 [INFO] [stderr] | [INFO] [stderr] 2787 | default fn from_elem(elem: Self, n: usize) -> SliceRingBuffer<Self> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information [INFO] [stderr] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date [INFO] [stderr] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stderr] = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045> [INFO] [stderr] [INFO] [stderr] warning: `slice-ring-buffer` (lib doc) generated 60 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/slice_ring_buffer/index.html [INFO] running `Command { std: "docker" "inspect" "f8010c3231a96a336f0aec2afa438d03ad4060632608196374b55317ebb850f3", kill_on_drop: false }`