[INFO] cloning repository https://github.com/jsbmg/machine-learning-with-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsbmg/machine-learning-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsbmg%2Fmachine-learning-with-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsbmg%2Fmachine-learning-with-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f1b3d46130c02a4648f7d716b4484fed440585d [INFO] documenting jsbmg/machine-learning-with-rust against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsbmg%2Fmachine-learning-with-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsbmg/machine-learning-with-rust on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jsbmg/machine-learning-with-rust [INFO] finished tweaking git repo https://github.com/jsbmg/machine-learning-with-rust [INFO] tweaked toml for git repo https://github.com/jsbmg/machine-learning-with-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 890614b0303e29cd9b84fc87ebf7c3fe8f2aead9f2b7bd36440d1829c5fea98b [INFO] running `Command { std: "docker" "start" "-a" "890614b0303e29cd9b84fc87ebf7c3fe8f2aead9f2b7bd36440d1829c5fea98b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "890614b0303e29cd9b84fc87ebf7c3fe8f2aead9f2b7bd36440d1829c5fea98b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "890614b0303e29cd9b84fc87ebf7c3fe8f2aead9f2b7bd36440d1829c5fea98b", kill_on_drop: false }` [INFO] [stdout] 890614b0303e29cd9b84fc87ebf7c3fe8f2aead9f2b7bd36440d1829c5fea98b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9baa896885a8ff3744d6fffdbce44a4022e31fc2057bc51e8b8d419e83806aa9 [INFO] running `Command { std: "docker" "start" "-a" "9baa896885a8ff3744d6fffdbce44a4022e31fc2057bc51e8b8d419e83806aa9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Documenting ml-models v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.59s [INFO] running `Command { std: "docker" "inspect" "9baa896885a8ff3744d6fffdbce44a4022e31fc2057bc51e8b8d419e83806aa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9baa896885a8ff3744d6fffdbce44a4022e31fc2057bc51e8b8d419e83806aa9", kill_on_drop: false }` [INFO] [stdout] 9baa896885a8ff3744d6fffdbce44a4022e31fc2057bc51e8b8d419e83806aa9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 872178272e5487a0f27facda5c2a4bd72fa39c85382fddbb05703dd4141a237b [INFO] running `Command { std: "docker" "start" "-a" "872178272e5487a0f27facda5c2a4bd72fa39c85382fddbb05703dd4141a237b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Documenting ml-models v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.56s [INFO] running `Command { std: "docker" "inspect" "872178272e5487a0f27facda5c2a4bd72fa39c85382fddbb05703dd4141a237b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "872178272e5487a0f27facda5c2a4bd72fa39c85382fddbb05703dd4141a237b", kill_on_drop: false }` [INFO] [stdout] 872178272e5487a0f27facda5c2a4bd72fa39c85382fddbb05703dd4141a237b