[INFO] cloning repository https://github.com/HarukiUchito/rust_cp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HarukiUchito/rust_cp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarukiUchito%2Frust_cp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarukiUchito%2Frust_cp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1ecc8bf5bfd6722ec78a62b804a06f55300e09f
[INFO] documenting HarukiUchito/rust_cp against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarukiUchito%2Frust_cp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HarukiUchito/rust_cp on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HarukiUchito/rust_cp
[INFO] finished tweaking git repo https://github.com/HarukiUchito/rust_cp
[INFO] tweaked toml for git repo https://github.com/HarukiUchito/rust_cp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/HarukiUchito/rust_cp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de947c270f78665d9a83aea915482394bb1c7296787395c076df9dad00bc8807
[INFO] running `Command { std: "docker" "start" "-a" "de947c270f78665d9a83aea915482394bb1c7296787395c076df9dad00bc8807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de947c270f78665d9a83aea915482394bb1c7296787395c076df9dad00bc8807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de947c270f78665d9a83aea915482394bb1c7296787395c076df9dad00bc8807", kill_on_drop: false }`
[INFO] [stdout] de947c270f78665d9a83aea915482394bb1c7296787395c076df9dad00bc8807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bd9fe14626af3d8e6acd40fa4fb3a0b646e7c80523e7bd6de1a28e360970903
[INFO] running `Command { std: "docker" "start" "-a" "6bd9fe14626af3d8e6acd40fa4fb3a0b646e7c80523e7bd6de1a28e360970903", kill_on_drop: false }`
[INFO] [stderr]  Documenting competitive_programming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/shorten_diameter.rs:109:31
[INFO] [stdout]     |
[INFO] [stdout] 109 |         for i in 0..ab.len() {; // center edge
[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 `competitive_programming`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name people_on_a_line src/bin/people_on_a_line.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -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: build failed
[INFO] running `Command { std: "docker" "inspect" "6bd9fe14626af3d8e6acd40fa4fb3a0b646e7c80523e7bd6de1a28e360970903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd9fe14626af3d8e6acd40fa4fb3a0b646e7c80523e7bd6de1a28e360970903", kill_on_drop: false }`
[INFO] [stdout] 6bd9fe14626af3d8e6acd40fa4fb3a0b646e7c80523e7bd6de1a28e360970903
