[INFO] cloning repository https://github.com/JeroenKnoops/collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JeroenKnoops/collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeroenKnoops%2Fcollatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeroenKnoops%2Fcollatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 141af95b471c97c6cc8b728766d20e568326658d
[INFO] documenting JeroenKnoops/collatz 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%2FJeroenKnoops%2Fcollatz" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JeroenKnoops/collatz 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/JeroenKnoops/collatz
[INFO] finished tweaking git repo https://github.com/JeroenKnoops/collatz
[INFO] tweaked toml for git repo https://github.com/JeroenKnoops/collatz written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/JeroenKnoops/collatz 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5b145a04b73f8e65d1d69f169078a1cd0b3a9cc9c074602072706a37e3f41965
[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" "5b145a04b73f8e65d1d69f169078a1cd0b3a9cc9c074602072706a37e3f41965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b145a04b73f8e65d1d69f169078a1cd0b3a9cc9c074602072706a37e3f41965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b145a04b73f8e65d1d69f169078a1cd0b3a9cc9c074602072706a37e3f41965", kill_on_drop: false }`
[INFO] [stdout] 5b145a04b73f8e65d1d69f169078a1cd0b3a9cc9c074602072706a37e3f41965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 124e145ec6901fc5c2528124d2b6c0a4c3000e6db6b0f2eb8f7315f6f2d5d9b1
[INFO] running `Command { std: "docker" "start" "-a" "124e145ec6901fc5c2528124d2b6c0a4c3000e6db6b0f2eb8f7315f6f2d5d9b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]  Documenting collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `Command { std: "docker" "inspect" "124e145ec6901fc5c2528124d2b6c0a4c3000e6db6b0f2eb8f7315f6f2d5d9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124e145ec6901fc5c2528124d2b6c0a4c3000e6db6b0f2eb8f7315f6f2d5d9b1", kill_on_drop: false }`
[INFO] [stdout] 124e145ec6901fc5c2528124d2b6c0a4c3000e6db6b0f2eb8f7315f6f2d5d9b1