[INFO] cloning repository https://github.com/elbart/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/elbart/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbart%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbart%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 810a5ddcabbf7c97347aaf9faee44a35c68b1884
[INFO] documenting elbart/advent-of-code-2020 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbart%2Fadvent-of-code-2020" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elbart/advent-of-code-2020 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elbart/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/elbart/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/elbart/advent-of-code-2020 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/elbart/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca5f338fa537660a9080471331723b2f6de104fb467d7e0b343ce0f39ecaa430
[INFO] running `Command { std: "docker" "start" "-a" "ca5f338fa537660a9080471331723b2f6de104fb467d7e0b343ce0f39ecaa430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca5f338fa537660a9080471331723b2f6de104fb467d7e0b343ce0f39ecaa430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5f338fa537660a9080471331723b2f6de104fb467d7e0b343ce0f39ecaa430", kill_on_drop: false }`
[INFO] [stdout] ca5f338fa537660a9080471331723b2f6de104fb467d7e0b343ce0f39ecaa430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6900e5d7bca5e154170ab9a7c4ea08aa77f15573daa50748f76e7beb10e29a62
[INFO] running `Command { std: "docker" "start" "-a" "6900e5d7bca5e154170ab9a7c4ea08aa77f15573daa50748f76e7beb10e29a62", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]  Documenting advent-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_07_2 src/07/2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e8c984ff6f836bc.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6900e5d7bca5e154170ab9a7c4ea08aa77f15573daa50748f76e7beb10e29a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6900e5d7bca5e154170ab9a7c4ea08aa77f15573daa50748f76e7beb10e29a62", kill_on_drop: false }`
[INFO] [stdout] 6900e5d7bca5e154170ab9a7c4ea08aa77f15573daa50748f76e7beb10e29a62
