[INFO] cloning repository https://github.com/cassava/aoc17.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cassava/aoc17.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassava%2Faoc17.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassava%2Faoc17.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9ba0ef500b1e44302cddbaf3eb803214fe33c3d
[INFO] documenting cassava/aoc17.rs against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassava%2Faoc17.rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cassava/aoc17.rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cassava/aoc17.rs
[INFO] finished tweaking git repo https://github.com/cassava/aoc17.rs
[INFO] tweaked toml for git repo https://github.com/cassava/aoc17.rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/cassava/aoc17.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baa5c1d2b73307ab4147aacfa93d4eeef70065164c0610353131bc6ae9fdd57f
[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" "baa5c1d2b73307ab4147aacfa93d4eeef70065164c0610353131bc6ae9fdd57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baa5c1d2b73307ab4147aacfa93d4eeef70065164c0610353131bc6ae9fdd57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa5c1d2b73307ab4147aacfa93d4eeef70065164c0610353131bc6ae9fdd57f", kill_on_drop: false }`
[INFO] [stdout] baa5c1d2b73307ab4147aacfa93d4eeef70065164c0610353131bc6ae9fdd57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd87e9c3da4ac4fc76d08f4580d5abc6fa8e3f3760c1e102ccf63bc2226a63e9
[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" "cd87e9c3da4ac4fc76d08f4580d5abc6fa8e3f3760c1e102ccf63bc2226a63e9", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking clap v2.28.0
[INFO] [stderr]     Checking aoc v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/17_vortex.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             ;
[INFO] [stdout]     |             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name 10_knot src/bin/10_knot.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-f3e463e530d5a34c.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-d8497d41c91423b9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-4cef34d6671a7dde.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-b2a159c73de76c0a.rmeta --cap-lints=warn --crate-version 0.16.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cd87e9c3da4ac4fc76d08f4580d5abc6fa8e3f3760c1e102ccf63bc2226a63e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd87e9c3da4ac4fc76d08f4580d5abc6fa8e3f3760c1e102ccf63bc2226a63e9", kill_on_drop: false }`
[INFO] [stdout] cd87e9c3da4ac4fc76d08f4580d5abc6fa8e3f3760c1e102ccf63bc2226a63e9
