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# rustc version
rustc 1.94.0-nightly (430d8297c 2025-12-13)# docs.rs version
docsrs 0.6.0 (c9c56e32 2025-12-11 )# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/coreutils-0.5.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/coreutils-0.5.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/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\", \"-20251213-1.94.0-nightly-430d8297c\", \"--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: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5a3fce7b241cd24941a5ab3a8ea3aecb4a080fa656edc22c546f582f1207093
[INFO] running `Command { std: "docker" "start" "-a" "d5a3fce7b241cd24941a5ab3a8ea3aecb4a080fa656edc22c546f582f1207093", kill_on_drop: false }`
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr] Compiling uu_stdbuf v0.5.0
[INFO] [stderr] Checking onig v6.5.1
[INFO] [stderr] Checking ctrlc v3.5.1
[INFO] [stderr] Checking nom v8.0.0
[INFO] [stderr] Checking half v2.7.1
[INFO] [stderr] Checking memmap2 v0.9.9
[INFO] [stderr] error: failed to run custom build command for `uu_stdbuf v0.5.0`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/uu_stdbuf-920104fd7161f51a/build-script-build` (exit status: 1)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] cargo:rerun-if-changed=src/libstdbuf/src/libstdbuf.rs
[INFO] [stderr]
[INFO] [stderr] --- stderr
[INFO] [stderr]
[INFO] [stderr] Error: The 'feat_external_libstdbuf' feature requires the LIBSTDBUF_DIR environment variable to be set.
[INFO] [stderr] Usage: LIBSTDBUF_DIR=/path/to/lib/directory cargo build --features feat_external_libstdbuf
[INFO] [stderr] Example: LIBSTDBUF_DIR=/usr/lib cargo build --features feat_external_libstdbuf
[INFO] [stderr]
[INFO] [stderr] This directory should point to where libstdbuf.so / libstdbuf.dylib will be installed on the target system.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d5a3fce7b241cd24941a5ab3a8ea3aecb4a080fa656edc22c546f582f1207093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a3fce7b241cd24941a5ab3a8ea3aecb4a080fa656edc22c546f582f1207093", kill_on_drop: false }`
[INFO] [stdout] d5a3fce7b241cd24941a5ab3a8ea3aecb4a080fa656edc22c546f582f1207093