[INFO] cloning repository https://github.com/savoiringfaire/short.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/savoiringfaire/short.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsavoiringfaire%2Fshort.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsavoiringfaire%2Fshort.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be4e3fe3d222ee464b6620caf44351112c50dc30
[INFO] documenting savoiringfaire/short.rs against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsavoiringfaire%2Fshort.rs" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/savoiringfaire/short.rs on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/savoiringfaire/short.rs
[INFO] finished tweaking git repo https://github.com/savoiringfaire/short.rs
[INFO] tweaked toml for git repo https://github.com/savoiringfaire/short.rs written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/savoiringfaire/short.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded redis v0.15.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.10
[INFO] [stderr]   Downloaded safemem v0.3.2
[INFO] [stderr]   Downloaded textnonce v0.6.5
[INFO] [stderr]   Downloaded indexmap v1.2.0
[INFO] [stderr]   Downloaded buf-read-ext v0.3.0
[INFO] [stderr]   Downloaded mime_multipart v0.5.2
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded url v2.1.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded simple-error v0.2.1
[INFO] [stderr]   Downloaded formdata v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f91ad3f479f294556c8247980bbf90842ce0d0f81d70be2bc58e29b1d9a0aa
[INFO] running `Command { std: "docker" "start" "-a" "95f91ad3f479f294556c8247980bbf90842ce0d0f81d70be2bc58e29b1d9a0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f91ad3f479f294556c8247980bbf90842ce0d0f81d70be2bc58e29b1d9a0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f91ad3f479f294556c8247980bbf90842ce0d0f81d70be2bc58e29b1d9a0aa", kill_on_drop: false }`
[INFO] [stdout] 95f91ad3f479f294556c8247980bbf90842ce0d0f81d70be2bc58e29b1d9a0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a3fbfd1cb5ad268478cb7213040dd48230544ebf889f92dbe350231e1dd8e5c
[INFO] running `Command { std: "docker" "start" "-a" "1a3fbfd1cb5ad268478cb7213040dd48230544ebf889f92dbe350231e1dd8e5c", 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" "1a3fbfd1cb5ad268478cb7213040dd48230544ebf889f92dbe350231e1dd8e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3fbfd1cb5ad268478cb7213040dd48230544ebf889f92dbe350231e1dd8e5c", kill_on_drop: false }`
[INFO] [stdout] 1a3fbfd1cb5ad268478cb7213040dd48230544ebf889f92dbe350231e1dd8e5c