[INFO] cloning repository https://github.com/ToonSpin/advent-of-code-2016-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToonSpin/advent-of-code-2016-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToonSpin%2Fadvent-of-code-2016-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToonSpin%2Fadvent-of-code-2016-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb1ad41c6dc66389b347df728682efece2af418a
[INFO] documenting ToonSpin/advent-of-code-2016-rust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToonSpin%2Fadvent-of-code-2016-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ToonSpin/advent-of-code-2016-rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ToonSpin/advent-of-code-2016-rust
[INFO] finished tweaking git repo https://github.com/ToonSpin/advent-of-code-2016-rust
[INFO] tweaked toml for git repo https://github.com/ToonSpin/advent-of-code-2016-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ToonSpin/advent-of-code-2016-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89bc7e6351e0b6dd2def369a13f88274e8883a8f967fdb60c3613fb720eadf6c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89bc7e6351e0b6dd2def369a13f88274e8883a8f967fdb60c3613fb720eadf6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89bc7e6351e0b6dd2def369a13f88274e8883a8f967fdb60c3613fb720eadf6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bc7e6351e0b6dd2def369a13f88274e8883a8f967fdb60c3613fb720eadf6c", kill_on_drop: false }`
[INFO] [stdout] 89bc7e6351e0b6dd2def369a13f88274e8883a8f967fdb60c3613fb720eadf6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03de259374b2b66e9df791a6ec87c891e1db9319e41989e991b235df606582cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03de259374b2b66e9df791a6ec87c891e1db9319e41989e991b235df606582cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.4
[INFO] [stderr]    Compiling stackvector v1.0.8
[INFO] [stderr]  Documenting adventofcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `adventofcode-rust`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day04 src/bin/day04.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern md5=/opt/rustwide/target/debug/deps/libmd5-468ac83332335846.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-d4d1c32e715f77ce.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ef03d8c34c9cc7a6.rmeta --cap-lints=warn` (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" "03de259374b2b66e9df791a6ec87c891e1db9319e41989e991b235df606582cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03de259374b2b66e9df791a6ec87c891e1db9319e41989e991b235df606582cf", kill_on_drop: false }`
[INFO] [stdout] 03de259374b2b66e9df791a6ec87c891e1db9319e41989e991b235df606582cf