# rustc version rustc 1.100.0-nightly (a36d05efa 2026-09-09)
# docs.rs version docsrs 0.0.0 (bbe8284d494398efa390829fb7f0bf2364bcdf59 2026-09-08 )
# 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" "a3a7ea9c7a93261fe3b071b57e81cff7951b1b01855fbdb57732dd6b2a977b78" "/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\", \"-20260909-1.100.0-nightly-a36d05efa\", \"--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: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: explicit `package.readme` can be inferred [INFO] [stderr] --> Cargo.toml:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | readme = "README.md" [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::manual_readme` is set to `warn` by default [INFO] [stderr] help: consider removing `package.readme` [INFO] [stderr] warning: `concat-string` (manifest) generated 2 warnings [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting concat-string v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons [INFO] [stderr] --> src/lib.rs:28:11 [INFO] [stderr] | [INFO] [stderr] 28 | #![forbid(box_pointers)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:26:11 [INFO] [stderr] | [INFO] [stderr] 26 | #![forbid(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stderr] --> src/lib.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | #![cfg_attr(feature = "cargo-clippy", forbid(clippy))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `cargo-clippy` 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)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stderr] --> src/lib.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | #![cfg_attr(feature = "cargo-clippy", forbid(clippy_pedantic))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `cargo-clippy` 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: `cargo-clippy` [INFO] [stderr] --> src/lib.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | #![cfg_attr(feature = "cargo-clippy", forbid(clippy_cargo))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `cargo-clippy` 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: `cargo-clippy` [INFO] [stderr] --> src/lib.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | #![cfg_attr(feature = "cargo-clippy", forbid(clippy_complexity))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `cargo-clippy` 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: `cargo-clippy` [INFO] [stderr] --> src/lib.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | #![cfg_attr(feature = "cargo-clippy", forbid(clippy_correctness))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `cargo-clippy` 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: `cargo-clippy` [INFO] [stderr] --> src/lib.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | #![cfg_attr(feature = "cargo-clippy", forbid(clippy_perf))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `cargo-clippy` 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: `cargo-clippy` [INFO] [stderr] --> src/lib.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | #![cfg_attr(feature = "cargo-clippy", forbid(clippy_style))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `cargo-clippy` 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: `concat-string` (lib doc) generated 8 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/concat_string/index.html [INFO] running `Command { std: "docker" "inspect" "a3a7ea9c7a93261fe3b071b57e81cff7951b1b01855fbdb57732dd6b2a977b78", kill_on_drop: false }`