# rustc version rustc 1.97.0-nightly (9eb3be26b 2026-05-18)
# docs.rs version docsrs 0.0.0 (e50152ed411bb913753b1dfd203f22cb8711f097 2026-05-17 )
# 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" "ec97096e925102815531d9498184f013e9b04af996900f3eaff30b2994036f26" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260518-1.97.0-nightly-9eb3be26b\", \"--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: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting const-default v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:8:43 [INFO] [stderr] | [INFO] [stderr] 8 | #![cfg_attr(feature = "unstable", feature(const_fn_trait_bound))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `const_btree_new` has been partially stabilized since 1.66.0 and is succeeded by the feature `const_btree_len` [INFO] [stderr] --> src/lib.rs:6:10 [INFO] [stderr] | [INFO] [stderr] 6 | feature(const_btree_new) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: if you are using features which are still unstable, change to using `const_btree_len` [INFO] [stderr] | [INFO] [stderr] 6 - feature(const_btree_new) [INFO] [stderr] 6 + feature(const_btree_len) [INFO] [stderr] | [INFO] [stderr] help: if you are using features which are now stable, remove this line [INFO] [stderr] | [INFO] [stderr] 6 - feature(const_btree_new) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `const-default` (lib doc) generated 2 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/const_default/index.html [INFO] running `Command { std: "docker" "inspect" "ec97096e925102815531d9498184f013e9b04af996900f3eaff30b2994036f26", kill_on_drop: false }`