# rustc version rustc 1.98.0-nightly (31a9463c6 2026-05-25)
# docs.rs version docsrs 0.0.0 (f16e33f3e6ac9fc9e4413728c5dd1b2ba1c6b799 2026-05-23 )
# 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" "27ce0e5dd50cde311778a9c021b465aecce94c8c7bc4622e20fccc7090cad7ba" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260525-1.98.0-nightly-31a9463c6\", \"--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 rust_programming_book v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected character `=` [INFO] [stderr] --> src/crates.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / /// finds the factorial of the entered number [INFO] [stderr] 2 | | /// [INFO] [stderr] 3 | | /// # Example [INFO] [stderr] 4 | | /// ``` let x = 4; [INFO] [stderr] 5 | | /// let factorial = rust_programming_book::crates::fact(x); [INFO] [stderr] 6 | | /// assert_eq!(factorial, 24) [INFO] [stderr] 7 | | /// ``` [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_programming_book` (lib doc) generated 1 warning [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/rust_programming_book/index.html [INFO] running `Command { std: "docker" "inspect" "27ce0e5dd50cde311778a9c021b465aecce94c8c7bc4622e20fccc7090cad7ba", kill_on_drop: false }`