[INFO] cloning repository https://github.com/fndrd1d1/bitter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fndrd1d1/bitter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffndrd1d1%2Fbitter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffndrd1d1%2Fbitter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6260f206a3d9be42034f796bbb23aa7c9e5de20
[INFO] documenting fndrd1d1/bitter against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffndrd1d1%2Fbitter" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fndrd1d1/bitter 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/fndrd1d1/bitter
[INFO] finished tweaking git repo https://github.com/fndrd1d1/bitter
[INFO] tweaked toml for git repo https://github.com/fndrd1d1/bitter written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/fndrd1d1/bitter 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 libc v0.2.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] d38a650ce2795f956b9f63dba6e30664733c833278a11e7d808ba9dc081a673d
[INFO] running `Command { std: "docker" "start" "-a" "d38a650ce2795f956b9f63dba6e30664733c833278a11e7d808ba9dc081a673d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d38a650ce2795f956b9f63dba6e30664733c833278a11e7d808ba9dc081a673d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38a650ce2795f956b9f63dba6e30664733c833278a11e7d808ba9dc081a673d", kill_on_drop: false }`
[INFO] [stdout] d38a650ce2795f956b9f63dba6e30664733c833278a11e7d808ba9dc081a673d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] b8e077fe7636037aee7acd95473e8da91f323134856f5839ccc84da1c0716d3f
[INFO] running `Command { std: "docker" "start" "-a" "b8e077fe7636037aee7acd95473e8da91f323134856f5839ccc84da1c0716d3f", 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" "b8e077fe7636037aee7acd95473e8da91f323134856f5839ccc84da1c0716d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e077fe7636037aee7acd95473e8da91f323134856f5839ccc84da1c0716d3f", kill_on_drop: false }`
[INFO] [stdout] b8e077fe7636037aee7acd95473e8da91f323134856f5839ccc84da1c0716d3f