[INFO] cloning repository https://github.com/zdebra/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/zdebra/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ea95bda308df31d5f51c0e776d754c22dc721d7
[INFO] documenting zdebra/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%2Fzdebra%2Fadvent-of-code-2020" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zdebra/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/zdebra/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/zdebra/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/zdebra/advent-of-code-2020 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/zdebra/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]  Downloading crates ...
[INFO] [stderr]   Downloaded array2d v0.2.1
[INFO] [stderr]   Downloaded simple-error v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7184a69a49e9b2ec91747fbd00ae71129deb2beef0811f9f1ef4e2588b1d5525
[INFO] running `Command { std: "docker" "start" "-a" "7184a69a49e9b2ec91747fbd00ae71129deb2beef0811f9f1ef4e2588b1d5525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7184a69a49e9b2ec91747fbd00ae71129deb2beef0811f9f1ef4e2588b1d5525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7184a69a49e9b2ec91747fbd00ae71129deb2beef0811f9f1ef4e2588b1d5525", kill_on_drop: false }`
[INFO] [stdout] 7184a69a49e9b2ec91747fbd00ae71129deb2beef0811f9f1ef4e2588b1d5525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8aac4d500eac5fdd63369bacb13427c137252f17397cb5e86dc47cb2ece69af4
[INFO] running `Command { std: "docker" "start" "-a" "8aac4d500eac5fdd63369bacb13427c137252f17397cb5e86dc47cb2ece69af4", kill_on_drop: false }`
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]  Documenting advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent_of_code_2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day06 day06/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=79563e018a10d0d8 -L dependency=/opt/rustwide/target/debug/deps --extern array2d=/opt/rustwide/target/debug/deps/libarray2d-67ec5696597ae318.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern simple_error=/opt/rustwide/target/debug/deps/libsimple_error-efa1e51fade50a4d.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_of_code_2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day10 day10/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fdb750747c5c185c -L dependency=/opt/rustwide/target/debug/deps --extern array2d=/opt/rustwide/target/debug/deps/libarray2d-67ec5696597ae318.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern simple_error=/opt/rustwide/target/debug/deps/libsimple_error-efa1e51fade50a4d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day13 day13/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c41533d51570fc46 -L dependency=/opt/rustwide/target/debug/deps --extern array2d=/opt/rustwide/target/debug/deps/libarray2d-67ec5696597ae318.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern simple_error=/opt/rustwide/target/debug/deps/libsimple_error-efa1e51fade50a4d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8aac4d500eac5fdd63369bacb13427c137252f17397cb5e86dc47cb2ece69af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aac4d500eac5fdd63369bacb13427c137252f17397cb5e86dc47cb2ece69af4", kill_on_drop: false }`
[INFO] [stdout] 8aac4d500eac5fdd63369bacb13427c137252f17397cb5e86dc47cb2ece69af4