[INFO] cloning repository https://github.com/glurbi/adventofcode2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glurbi/adventofcode2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fadventofcode2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fadventofcode2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d411b28c3decfd5e0929c1827859813638f74a4b
[INFO] documenting glurbi/adventofcode2017 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%2Fglurbi%2Fadventofcode2017" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glurbi/adventofcode2017 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/glurbi/adventofcode2017
[INFO] finished tweaking git repo https://github.com/glurbi/adventofcode2017
[INFO] tweaked toml for git repo https://github.com/glurbi/adventofcode2017 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/glurbi/adventofcode2017 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b2c7b38e84b8a51dc600ccb2ca650c183f69be04aad22b776637c877b2c829d0
[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" "b2c7b38e84b8a51dc600ccb2ca650c183f69be04aad22b776637c877b2c829d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2c7b38e84b8a51dc600ccb2ca650c183f69be04aad22b776637c877b2c829d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c7b38e84b8a51dc600ccb2ca650c183f69be04aad22b776637c877b2c829d0", kill_on_drop: false }`
[INFO] [stdout] b2c7b38e84b8a51dc600ccb2ca650c183f69be04aad22b776637c877b2c829d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcd28d4b9077e65b5324400aec4bf48c83aa4a9b2f8e0f410c18ad20405c70df
[INFO] running `Command { std: "docker" "start" "-a" "fcd28d4b9077e65b5324400aec4bf48c83aa4a9b2f8e0f410c18ad20405c70df", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]  Documenting advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `advent`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day20 src/bin/day20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-689e943d6d22c7eb.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-26d47a0442399be3.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-4e450036a00184f0.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-924cd8f7977c20a8.so --extern regex=/opt/rustwide/target/debug/deps/libregex-167691a47580030b.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" "fcd28d4b9077e65b5324400aec4bf48c83aa4a9b2f8e0f410c18ad20405c70df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd28d4b9077e65b5324400aec4bf48c83aa4a9b2f8e0f410c18ad20405c70df", kill_on_drop: false }`
[INFO] [stdout] fcd28d4b9077e65b5324400aec4bf48c83aa4a9b2f8e0f410c18ad20405c70df