[INFO] cloning repository https://github.com/not-for-me/hang-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/not-for-me/hang-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59403b89f347288a9cd44ffdc4241260bafacd2
[INFO] documenting not-for-me/hang-monitor against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/not-for-me/hang-monitor on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/not-for-me/hang-monitor
[INFO] finished tweaking git repo https://github.com/not-for-me/hang-monitor
[INFO] tweaked toml for git repo https://github.com/not-for-me/hang-monitor written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/not-for-me/hang-monitor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d558a018e24e3107cb76220b08511987bfd9bf2562427b7caa9fa3f3155e6fbe
[INFO] running `Command { std: "docker" "start" "-a" "d558a018e24e3107cb76220b08511987bfd9bf2562427b7caa9fa3f3155e6fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d558a018e24e3107cb76220b08511987bfd9bf2562427b7caa9fa3f3155e6fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d558a018e24e3107cb76220b08511987bfd9bf2562427b7caa9fa3f3155e6fbe", kill_on_drop: false }`
[INFO] [stdout] d558a018e24e3107cb76220b08511987bfd9bf2562427b7caa9fa3f3155e6fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36917962d2d8653e8e2cd361f5e55fcb748edea6153fa4db6621ade3203d984b
[INFO] running `Command { std: "docker" "start" "-a" "36917962d2d8653e8e2cd361f5e55fcb748edea6153fa4db6621ade3203d984b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]  Documenting hang-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0517]: attribute should be applied to an enum
[INFO] [stdout]   --> src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |   #[repr(u128)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 30 | / pub fn run(conf: Config) {
[INFO] [stdout] 31 | |     let mut file = match OpenOptions::new().append(true).create(true).open(conf.log_path) {
[INFO] [stdout] 32 | |         Err(why) => panic!("couldn't open file, reason: {}", why.description()),
[INFO] [stdout] 33 | |         Ok(file) => file,
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_- not an enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hang-monitor`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name hang_monitor src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b645c15b787edd5d -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-635cf89ed94c2b2e.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-eb7135bc2ee2abf1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "36917962d2d8653e8e2cd361f5e55fcb748edea6153fa4db6621ade3203d984b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36917962d2d8653e8e2cd361f5e55fcb748edea6153fa4db6621ade3203d984b", kill_on_drop: false }`
[INFO] [stdout] 36917962d2d8653e8e2cd361f5e55fcb748edea6153fa4db6621ade3203d984b