[INFO] cloning repository https://github.com/dstaatz/ackermann
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dstaatz/ackermann" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdstaatz%2Fackermann", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdstaatz%2Fackermann'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36ac557be0ee7545c27ae22eb1b4b3f75f9eae9f
[INFO] documenting dstaatz/ackermann 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%2Fdstaatz%2Fackermann" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dstaatz/ackermann 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/dstaatz/ackermann
[INFO] finished tweaking git repo https://github.com/dstaatz/ackermann
[INFO] tweaked toml for git repo https://github.com/dstaatz/ackermann written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dstaatz/ackermann 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 93a5e7321408fed7373072e38955970cb69b471b5023beb2cae68075d6e1aa31
[INFO] running `Command { std: "docker" "start" "-a" "93a5e7321408fed7373072e38955970cb69b471b5023beb2cae68075d6e1aa31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a5e7321408fed7373072e38955970cb69b471b5023beb2cae68075d6e1aa31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a5e7321408fed7373072e38955970cb69b471b5023beb2cae68075d6e1aa31", kill_on_drop: false }`
[INFO] [stdout] 93a5e7321408fed7373072e38955970cb69b471b5023beb2cae68075d6e1aa31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 6c4c3e5f32a1d6e915cf0226a7c5a1d3e368a0c16da3be80ac99ecf66ce46bac
[INFO] running `Command { std: "docker" "start" "-a" "6c4c3e5f32a1d6e915cf0226a7c5a1d3e368a0c16da3be80ac99ecf66ce46bac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]  Documenting ackermann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.39s
[INFO] running `Command { std: "docker" "inspect" "6c4c3e5f32a1d6e915cf0226a7c5a1d3e368a0c16da3be80ac99ecf66ce46bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4c3e5f32a1d6e915cf0226a7c5a1d3e368a0c16da3be80ac99ecf66ce46bac", kill_on_drop: false }`
[INFO] [stdout] 6c4c3e5f32a1d6e915cf0226a7c5a1d3e368a0c16da3be80ac99ecf66ce46bac