# rustc version rustc 1.98.0-nightly (01dfd7924 2026-06-15)
# docs.rs version docsrs 0.0.0 (886bc7a22b1adc4b387ce1343447fe3af98d9ce5 2026-06-14 )
# 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" "5391141338da182900f1a4083f3675532f2a5d7fad4c40ec157947c2ebfad998" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260615-1.98.0-nightly-01dfd7924\", \"--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: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `immutable-seq` (manifest) generated 1 warning [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting immutable-seq v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lazy.rs:28:49 [INFO] [stderr] | [INFO] [stderr] 28 | $crate::lazy::Thunk::new(move || { $($e);* }) [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lazy.rs:36:56 [INFO] [stderr] | [INFO] [stderr] 36 | $crate::lazy::Thunk::new(move || { value({$($e);*}) }) [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `ndebug` [INFO] [stderr] --> src/finger_tree.rs:208:17 [INFO] [stderr] | [INFO] [stderr] 208 | unsafe {debug_unreachable!()} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 32 more [INFO] [stderr] = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stderr] = help: try referring to `debug_unreachable` crate for guidance on how handle this unexpected cfg [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] = note: this warning originates in the macro `debug_unreachable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `ndebug` [INFO] [stderr] --> src/finger_tree.rs:241:17 [INFO] [stderr] | [INFO] [stderr] 241 | unsafe {debug_unreachable!()} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stderr] = help: try referring to `debug_unreachable` crate for guidance on how handle this unexpected cfg [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 `debug_unreachable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `ndebug` [INFO] [stderr] --> src/finger_tree.rs:258:23 [INFO] [stderr] | [INFO] [stderr] 258 | _ => unsafe { debug_unreachable!() }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stderr] = help: try referring to `debug_unreachable` crate for guidance on how handle this unexpected cfg [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 `debug_unreachable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `ndebug` [INFO] [stderr] --> src/finger_tree.rs:275:23 [INFO] [stderr] | [INFO] [stderr] 275 | _ => unsafe { debug_unreachable!() }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stderr] = help: try referring to `debug_unreachable` crate for guidance on how handle this unexpected cfg [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 `debug_unreachable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: this URL is not a hyperlink [INFO] [stderr] --> src/seq.rs:26:70 [INFO] [stderr] | [INFO] [stderr] 26 | ...kell's Data.Sequence library (http://hackage.haskell.org/package/containers/docs/Data-Sequence.html), and the following paper: [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: bare URLs are not automatically turned into clickable links [INFO] [stderr] = note: `#[warn(rustdoc::bare_urls)]` on by default [INFO] [stderr] help: use an automatic link instead [INFO] [stderr] | [INFO] [stderr] 26 | /// This implementation is based on Haskell's Data.Sequence library (<http://hackage.haskell.org/package/containers/docs/Data-Sequence.html>), and the following paper: [INFO] [stderr] | + + [INFO] [stderr] [INFO] [stderr] warning: this URL is not a hyperlink [INFO] [stderr] --> src/seq.rs:27:152 [INFO] [stderr] | [INFO] [stderr] 27 | ...l of Functional Programming 16:2 (2006) pp 197-217. http://staff.city.ac.uk/~ross/papers/FingerTree.html [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: bare URLs are not automatically turned into clickable links [INFO] [stderr] help: use an automatic link instead [INFO] [stderr] | [INFO] [stderr] 27 | /// * Ralf Hinze and Ross Paterson, "Finger trees: a simple general-purpose data structure", Journal of Functional Programming 16:2 (2006) pp 197-217. <http://staff.city.ac.uk/>~ross/papers/FingerTree.html [INFO] [stderr] | + + [INFO] [stderr] [INFO] [stderr] warning: `immutable-seq` (lib doc) generated 8 warnings (run `cargo fix --lib -p immutable-seq` to apply 2 suggestions) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/immutable_seq/index.html [INFO] running `Command { std: "docker" "inspect" "5391141338da182900f1a4083f3675532f2a5d7fad4c40ec157947c2ebfad998", kill_on_drop: false }`