[INFO] cloning repository https://github.com/simon-frankau/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simon-frankau/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-frankau%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-frankau%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d06bb4fdd03f254596e7607e0ba846ffbc7c3290
[INFO] documenting simon-frankau/advent_of_code_2018 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%2Fsimon-frankau%2Fadvent_of_code_2018" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simon-frankau/advent_of_code_2018 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/simon-frankau/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/simon-frankau/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/simon-frankau/advent_of_code_2018 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/simon-frankau/advent_of_code_2018 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b081266322359197d85b822057e9bc7c6e0657512402a540b5ad7c0424c57c41
[INFO] running `Command { std: "docker" "start" "-a" "b081266322359197d85b822057e9bc7c6e0657512402a540b5ad7c0424c57c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b081266322359197d85b822057e9bc7c6e0657512402a540b5ad7c0424c57c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b081266322359197d85b822057e9bc7c6e0657512402a540b5ad7c0424c57c41", kill_on_drop: false }`
[INFO] [stdout] b081266322359197d85b822057e9bc7c6e0657512402a540b5ad7c0424c57c41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2607ea5be5b19f0d1e108efd3ad7b2377dcde2dc46089b02f1ab73f84fb3652b
[INFO] running `Command { std: "docker" "start" "-a" "2607ea5be5b19f0d1e108efd3ad7b2377dcde2dc46089b02f1ab73f84fb3652b", kill_on_drop: false }`
[INFO] [stderr]  Documenting day22b v0.1.0 (/opt/rustwide/workdir/day22b)
[INFO] [stderr]  Documenting day12b v0.1.0 (/opt/rustwide/workdir/day12b)
[INFO] [stderr]  Documenting day06a v0.1.0 (/opt/rustwide/workdir/day06a)
[INFO] [stderr]  Documenting day13b v0.1.0 (/opt/rustwide/workdir/day13b)
[INFO] [stderr]  Documenting day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]  Documenting day16b v0.1.0 (/opt/rustwide/workdir/day16b)
[INFO] [stderr]  Documenting day13a v0.1.0 (/opt/rustwide/workdir/day13a)
[INFO] [stderr]  Documenting day03b v0.1.0 (/opt/rustwide/workdir/day03b)
[INFO] [stderr]  Documenting day02a v0.1.0 (/opt/rustwide/workdir/day02a)
[INFO] [stderr]  Documenting day24b v0.1.0 (/opt/rustwide/workdir/day24b)
[INFO] [stderr]  Documenting day16a v0.1.0 (/opt/rustwide/workdir/day16a)
[INFO] [stderr]  Documenting day23a v0.1.0 (/opt/rustwide/workdir/day23a)
[INFO] [stderr]  Documenting day12a v0.1.0 (/opt/rustwide/workdir/day12a)
[INFO] [stderr]  Documenting day02b v0.1.0 (/opt/rustwide/workdir/day02b)
[INFO] [stderr]  Documenting day04a v0.1.0 (/opt/rustwide/workdir/day04a)
[INFO] [stderr]  Documenting day11a v0.1.0 (/opt/rustwide/workdir/day11a)
[INFO] [stderr] error: could not document `day22b`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day22b day22b/src/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=3466ed786b0f86a4 -L dependency=/opt/rustwide/target/debug/deps --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 `day16b`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day16b day16b/src/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=8006018aaffd31a8 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day12a`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day12a day12a/src/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=8a9729562e2f6c51 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2607ea5be5b19f0d1e108efd3ad7b2377dcde2dc46089b02f1ab73f84fb3652b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2607ea5be5b19f0d1e108efd3ad7b2377dcde2dc46089b02f1ab73f84fb3652b", kill_on_drop: false }`
[INFO] [stdout] 2607ea5be5b19f0d1e108efd3ad7b2377dcde2dc46089b02f1ab73f84fb3652b