[INFO] cloning repository https://github.com/minorhacks/advent_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minorhacks/advent_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminorhacks%2Fadvent_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminorhacks%2Fadvent_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a205f66bb637b5e6b9a19ab4beaf109976a122c6
[INFO] documenting minorhacks/advent_2021 against 1.64.0 for beta-1.65-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminorhacks%2Fadvent_2021" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minorhacks/advent_2021 on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minorhacks/advent_2021
[INFO] finished tweaking git repo https://github.com/minorhacks/advent_2021
[INFO] tweaked toml for git repo https://github.com/minorhacks/advent_2021 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/minorhacks/advent_2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array2d v0.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.47
[INFO] [stderr]   Downloaded table-test v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c355b1ca5c7d7204ef2e00450f6777cc066917aeb16401ac4b0121a7989a005b
[INFO] running `Command { std: "docker" "start" "-a" "c355b1ca5c7d7204ef2e00450f6777cc066917aeb16401ac4b0121a7989a005b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c355b1ca5c7d7204ef2e00450f6777cc066917aeb16401ac4b0121a7989a005b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c355b1ca5c7d7204ef2e00450f6777cc066917aeb16401ac4b0121a7989a005b", kill_on_drop: false }`
[INFO] [stdout] c355b1ca5c7d7204ef2e00450f6777cc066917aeb16401ac4b0121a7989a005b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f7d1dedd85766192318d414dbc0e701edd823fc208cbed2447be3522b7f0f93
[INFO] running `Command { std: "docker" "start" "-a" "8f7d1dedd85766192318d414dbc0e701edd823fc208cbed2447be3522b7f0f93", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling anyhow v1.0.47
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]  Documenting advent_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking advent_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_06 src/bin/day_06/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=1a28820b00c15825 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2021=/opt/rustwide/target/debug/deps/libadvent_2021-f7a516def189c39b.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-70495f29f07771ea.rmeta --extern array2d=/opt/rustwide/target/debug/deps/libarray2d-811c2bf8201c8fb9.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c87bee0b1e935734.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-cede675d6da4e62f.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: could not document `advent_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_07 src/bin/day_07/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=857b6598e3dd0531 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2021=/opt/rustwide/target/debug/deps/libadvent_2021-f7a516def189c39b.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-70495f29f07771ea.rmeta --extern array2d=/opt/rustwide/target/debug/deps/libarray2d-811c2bf8201c8fb9.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c87bee0b1e935734.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-cede675d6da4e62f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_12 src/bin/day_12/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=6f6c02dd58079788 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2021=/opt/rustwide/target/debug/deps/libadvent_2021-f7a516def189c39b.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-70495f29f07771ea.rmeta --extern array2d=/opt/rustwide/target/debug/deps/libarray2d-811c2bf8201c8fb9.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c87bee0b1e935734.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-cede675d6da4e62f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8f7d1dedd85766192318d414dbc0e701edd823fc208cbed2447be3522b7f0f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7d1dedd85766192318d414dbc0e701edd823fc208cbed2447be3522b7f0f93", kill_on_drop: false }`
[INFO] [stdout] 8f7d1dedd85766192318d414dbc0e701edd823fc208cbed2447be3522b7f0f93