[INFO] cloning repository https://github.com/wackywendell/adventofcode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wackywendell/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de5982a19735d9642d22809fa1a7208018261f77
[INFO] documenting wackywendell/adventofcode2019 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%2Fwackywendell%2Fadventofcode2019" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wackywendell/adventofcode2019 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/wackywendell/adventofcode2019
[INFO] finished tweaking git repo https://github.com/wackywendell/adventofcode2019
[INFO] tweaked toml for git repo https://github.com/wackywendell/adventofcode2019 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wackywendell/adventofcode2019 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8b3edafb70340b059438cbcc63ac4391a4f18ecf3388e0caacfbe3fbcbfc39ad
[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" "8b3edafb70340b059438cbcc63ac4391a4f18ecf3388e0caacfbe3fbcbfc39ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b3edafb70340b059438cbcc63ac4391a4f18ecf3388e0caacfbe3fbcbfc39ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3edafb70340b059438cbcc63ac4391a4f18ecf3388e0caacfbe3fbcbfc39ad", kill_on_drop: false }`
[INFO] [stdout] 8b3edafb70340b059438cbcc63ac4391a4f18ecf3388e0caacfbe3fbcbfc39ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d6f847af24ed0bec932e1ce9174e6dc9dd9940f33bf4417d00db8cb3ee2ed4cd
[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" "d6f847af24ed0bec932e1ce9174e6dc9dd9940f33bf4417d00db8cb3ee2ed4cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `aoc`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aoc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-43a48fd651ba2367.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-63ff60cca5d3ab2b.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-da3625a6a2d7fc00.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3b466a4978391dd5.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-958bf2a074a4960f.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-3161657f581f55d6.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-ef9c17081cbd3b83.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-66cdd8d001808251.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" "d6f847af24ed0bec932e1ce9174e6dc9dd9940f33bf4417d00db8cb3ee2ed4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f847af24ed0bec932e1ce9174e6dc9dd9940f33bf4417d00db8cb3ee2ed4cd", kill_on_drop: false }`
[INFO] [stdout] d6f847af24ed0bec932e1ce9174e6dc9dd9940f33bf4417d00db8cb3ee2ed4cd