[INFO] cloning repository https://github.com/nordberg/rust-factorization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nordberg/rust-factorization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnordberg%2Frust-factorization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnordberg%2Frust-factorization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16adb817add98ed3b70adf372e36c6eaed75e0b7
[INFO] documenting nordberg/rust-factorization 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%2Fnordberg%2Frust-factorization" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nordberg/rust-factorization 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/nordberg/rust-factorization
[INFO] finished tweaking git repo https://github.com/nordberg/rust-factorization
[INFO] tweaked toml for git repo https://github.com/nordberg/rust-factorization written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/nordberg/rust-factorization already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] c0490fc3bdf9ae79782a14409fd67230a0360cd912fdd2a368c986d70a571fa7
[INFO] running `Command { std: "docker" "start" "-a" "c0490fc3bdf9ae79782a14409fd67230a0360cd912fdd2a368c986d70a571fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0490fc3bdf9ae79782a14409fd67230a0360cd912fdd2a368c986d70a571fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0490fc3bdf9ae79782a14409fd67230a0360cd912fdd2a368c986d70a571fa7", kill_on_drop: false }`
[INFO] [stdout] c0490fc3bdf9ae79782a14409fd67230a0360cd912fdd2a368c986d70a571fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 9b487e7167c6162ce74c1e2fd0390a4b258a415f3210cefbc3a345ed6c0e2a7e
[INFO] running `Command { std: "docker" "start" "-a" "9b487e7167c6162ce74c1e2fd0390a4b258a415f3210cefbc3a345ed6c0e2a7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking libc v0.2.2
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]     Checking rand v0.3.12
[INFO] [stderr]  Documenting factorization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.52s
[INFO] running `Command { std: "docker" "inspect" "9b487e7167c6162ce74c1e2fd0390a4b258a415f3210cefbc3a345ed6c0e2a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b487e7167c6162ce74c1e2fd0390a4b258a415f3210cefbc3a345ed6c0e2a7e", kill_on_drop: false }`
[INFO] [stdout] 9b487e7167c6162ce74c1e2fd0390a4b258a415f3210cefbc3a345ed6c0e2a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 9fff8ea58aadfdb484f51bcae7e17d54ef1c1940ca7c18c27459654cfdbafb71
[INFO] running `Command { std: "docker" "start" "-a" "9fff8ea58aadfdb484f51bcae7e17d54ef1c1940ca7c18c27459654cfdbafb71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9fff8ea58aadfdb484f51bcae7e17d54ef1c1940ca7c18c27459654cfdbafb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fff8ea58aadfdb484f51bcae7e17d54ef1c1940ca7c18c27459654cfdbafb71", kill_on_drop: false }`
[INFO] [stdout] 9fff8ea58aadfdb484f51bcae7e17d54ef1c1940ca7c18c27459654cfdbafb71