[INFO] cloning repository https://github.com/d3156/training_task
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d3156/training_task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3156%2Ftraining_task", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3156%2Ftraining_task'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0373302639cd03e5ed0672db38066477a7b2bbed
[INFO] documenting d3156/training_task 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%2Fd3156%2Ftraining_task" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d3156/training_task 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/d3156/training_task
[INFO] finished tweaking git repo https://github.com/d3156/training_task
[INFO] tweaked toml for git repo https://github.com/d3156/training_task written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/d3156/training_task 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] warning: unused manifest key: package.autors
[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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] a03b430cdb348b57ff40ac0a98b535527b6ea5729543b8b2ec76f73a167acb42
[INFO] running `Command { std: "docker" "start" "-a" "a03b430cdb348b57ff40ac0a98b535527b6ea5729543b8b2ec76f73a167acb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a03b430cdb348b57ff40ac0a98b535527b6ea5729543b8b2ec76f73a167acb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03b430cdb348b57ff40ac0a98b535527b6ea5729543b8b2ec76f73a167acb42", kill_on_drop: false }`
[INFO] [stdout] a03b430cdb348b57ff40ac0a98b535527b6ea5729543b8b2ec76f73a167acb42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 10b8b399354dece84eae538626e2994c72067cedb306be774c34c663ff52ed0f
[INFO] running `Command { std: "docker" "start" "-a" "10b8b399354dece84eae538626e2994c72067cedb306be774c34c663ff52ed0f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.autors
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting training_task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.46s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "10b8b399354dece84eae538626e2994c72067cedb306be774c34c663ff52ed0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b8b399354dece84eae538626e2994c72067cedb306be774c34c663ff52ed0f", kill_on_drop: false }`
[INFO] [stdout] 10b8b399354dece84eae538626e2994c72067cedb306be774c34c663ff52ed0f