[INFO] cloning repository https://github.com/haraldmaida/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haraldmaida/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldmaida%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldmaida%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64c87ea26b790e214ea2200a1738069c35c21881
[INFO] documenting haraldmaida/advent-of-code-2020 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%2Fharaldmaida%2Fadvent-of-code-2020" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haraldmaida/advent-of-code-2020 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/haraldmaida/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/haraldmaida/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/haraldmaida/advent-of-code-2020 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/haraldmaida/advent-of-code-2020 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aoc-runner v0.3.0
[INFO] [stderr]   Downloaded aoc-runner-derive v0.3.0
[INFO] [stderr]   Downloaded aoc-runner-internal v0.1.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 737ceb1562293061cb3425d341a7b8d195b09ef6feb995bb3a65a5aa35b61945
[INFO] running `Command { std: "docker" "start" "-a" "737ceb1562293061cb3425d341a7b8d195b09ef6feb995bb3a65a5aa35b61945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "737ceb1562293061cb3425d341a7b8d195b09ef6feb995bb3a65a5aa35b61945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737ceb1562293061cb3425d341a7b8d195b09ef6feb995bb3a65a5aa35b61945", kill_on_drop: false }`
[INFO] [stdout] 737ceb1562293061cb3425d341a7b8d195b09ef6feb995bb3a65a5aa35b61945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 825dc31ed7b11820c0a12c1b6bf00834684fc28cd3d72bae269490427356311f
[INFO] running `Command { std: "docker" "start" "-a" "825dc31ed7b11820c0a12c1b6bf00834684fc28cd3d72bae269490427356311f", 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" "825dc31ed7b11820c0a12c1b6bf00834684fc28cd3d72bae269490427356311f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825dc31ed7b11820c0a12c1b6bf00834684fc28cd3d72bae269490427356311f", kill_on_drop: false }`
[INFO] [stdout] 825dc31ed7b11820c0a12c1b6bf00834684fc28cd3d72bae269490427356311f