[INFO] cloning repository https://github.com/boyter/rcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boyter/rcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboyter%2Frcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboyter%2Frcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a94a6874cc1d6db0a5ba328521093508c66e687
[INFO] documenting boyter/rcc against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboyter%2Frcc" "/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/boyter/rcc on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boyter/rcc
[INFO] finished tweaking git repo https://github.com/boyter/rcc
[INFO] tweaked toml for git repo https://github.com/boyter/rcc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/boyter/rcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a6c3b39ebc338541498c23b629211f7c56e8b4fb066459a16f58a5e39a6f41
[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" "d6a6c3b39ebc338541498c23b629211f7c56e8b4fb066459a16f58a5e39a6f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a6c3b39ebc338541498c23b629211f7c56e8b4fb066459a16f58a5e39a6f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a6c3b39ebc338541498c23b629211f7c56e8b4fb066459a16f58a5e39a6f41", kill_on_drop: false }`
[INFO] [stdout] d6a6c3b39ebc338541498c23b629211f7c56e8b4fb066459a16f58a5e39a6f41
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] c6007f43e32398b97888ef415d05355b33acd126887e6ff121e6ad7f0b8d3de2
[INFO] running `Command { std: "docker" "start" "-a" "c6007f43e32398b97888ef415d05355b33acd126887e6ff121e6ad7f0b8d3de2", kill_on_drop: false }`
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking walkdir v2.2.0
[INFO] [stderr]  Documenting rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn load_file(entry: &DirEntry) -> Result<(FileJob), io::Error> {
[INFO] [stdout]    |                                          ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 - fn load_file(entry: &DirEntry) -> Result<(FileJob), io::Error> {
[INFO] [stdout] 26 + fn load_file(entry: &DirEntry) -> Result<FileJob, io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "c6007f43e32398b97888ef415d05355b33acd126887e6ff121e6ad7f0b8d3de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6007f43e32398b97888ef415d05355b33acd126887e6ff121e6ad7f0b8d3de2", kill_on_drop: false }`
[INFO] [stdout] c6007f43e32398b97888ef415d05355b33acd126887e6ff121e6ad7f0b8d3de2