[INFO] cloning repository https://github.com/onesk/aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onesk/aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonesk%2Faoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonesk%2Faoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b83e84bb76c4c92f4f06db8126fa8fd67d30211
[INFO] documenting onesk/aoc2019 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%2Fonesk%2Faoc2019" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onesk/aoc2019 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/onesk/aoc2019
[INFO] finished tweaking git repo https://github.com/onesk/aoc2019
[INFO] tweaked toml for git repo https://github.com/onesk/aoc2019 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/onesk/aoc2019 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 935354a0ad27042c43edec36bf2662df222479dd2f1843efe4d6d838682bf4a9
[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" "935354a0ad27042c43edec36bf2662df222479dd2f1843efe4d6d838682bf4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "935354a0ad27042c43edec36bf2662df222479dd2f1843efe4d6d838682bf4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935354a0ad27042c43edec36bf2662df222479dd2f1843efe4d6d838682bf4a9", kill_on_drop: false }`
[INFO] [stdout] 935354a0ad27042c43edec36bf2662df222479dd2f1843efe4d6d838682bf4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4a4d1cb12b5f13334ebfdecdcb519ed3485c0a5597672f90323a10de0aa6df19
[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" "4a4d1cb12b5f13334ebfdecdcb519ed3485c0a5597672f90323a10de0aa6df19", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `aoc2019`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 12 src/bin/12.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-e4be92aa59a1af00.rmeta --extern boolinator=/opt/rustwide/target/debug/deps/libboolinator-1f1bcf3f8b5267c7.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-975cfb6c1463e2d8.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5ad68357c26dda65.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-bb20dd1febcc387a.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-8bdcf5d0eb00b382.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-1d4e95c5a8748d93.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-76eda7bce839dda7.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" "4a4d1cb12b5f13334ebfdecdcb519ed3485c0a5597672f90323a10de0aa6df19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4d1cb12b5f13334ebfdecdcb519ed3485c0a5597672f90323a10de0aa6df19", kill_on_drop: false }`
[INFO] [stdout] 4a4d1cb12b5f13334ebfdecdcb519ed3485c0a5597672f90323a10de0aa6df19