[INFO] cloning repository https://github.com/brson/cargo-index-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/cargo-index-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fcargo-index-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fcargo-index-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f695126762a50f37bc42c1f3c6882ca983329c1f
[INFO] documenting brson/cargo-index-tool 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%2Fbrson%2Fcargo-index-tool" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brson/cargo-index-tool 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/brson/cargo-index-tool
[INFO] finished tweaking git repo https://github.com/brson/cargo-index-tool
[INFO] tweaked toml for git repo https://github.com/brson/cargo-index-tool written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/cargo-index-tool 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded semver v0.7.0
[INFO] [stderr]   Downloaded serde_derive v1.0.10
[INFO] [stderr]   Downloaded structopt-derive v0.0.5
[INFO] [stderr]   Downloaded userenv-sys v0.2.0
[INFO] [stderr]   Downloaded ktmw32-sys v0.1.0
[INFO] [stderr]   Downloaded winreg v0.3.5
[INFO] [stderr]   Downloaded structopt v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e2a43e304baf5a45b3bc390f39b1b23f400d91e188b45220ea1a9f6686080b2f
[INFO] running `Command { std: "docker" "start" "-a" "e2a43e304baf5a45b3bc390f39b1b23f400d91e188b45220ea1a9f6686080b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2a43e304baf5a45b3bc390f39b1b23f400d91e188b45220ea1a9f6686080b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a43e304baf5a45b3bc390f39b1b23f400d91e188b45220ea1a9f6686080b2f", kill_on_drop: false }`
[INFO] [stdout] e2a43e304baf5a45b3bc390f39b1b23f400d91e188b45220ea1a9f6686080b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] eea61480b32a490513a33829622a7f392929fd83709ccb42f652a02f3894f9b4
[INFO] running `Command { std: "docker" "start" "-a" "eea61480b32a490513a33829622a7f392929fd83709ccb42f652a02f3894f9b4", 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" "eea61480b32a490513a33829622a7f392929fd83709ccb42f652a02f3894f9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea61480b32a490513a33829622a7f392929fd83709ccb42f652a02f3894f9b4", kill_on_drop: false }`
[INFO] [stdout] eea61480b32a490513a33829622a7f392929fd83709ccb42f652a02f3894f9b4