[INFO] cloning repository https://github.com/actualchao/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/actualchao/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Factualchao%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Factualchao%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eeb5b6d712e1e0bc653b519c7917c8134532b37b
[INFO] documenting actualchao/rust-learn 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%2Factualchao%2Frust-learn" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/actualchao/rust-learn 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/actualchao/rust-learn
[INFO] finished tweaking git repo https://github.com/actualchao/rust-learn
[INFO] tweaked toml for git repo https://github.com/actualchao/rust-learn written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/actualchao/rust-learn 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1aab037b9df18223281cd66a6c44af9faaa5f3018f3a4a6819f221090dcf6531
[INFO] running `Command { std: "docker" "start" "-a" "1aab037b9df18223281cd66a6c44af9faaa5f3018f3a4a6819f221090dcf6531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aab037b9df18223281cd66a6c44af9faaa5f3018f3a4a6819f221090dcf6531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aab037b9df18223281cd66a6c44af9faaa5f3018f3a4a6819f221090dcf6531", kill_on_drop: false }`
[INFO] [stdout] 1aab037b9df18223281cd66a6c44af9faaa5f3018f3a4a6819f221090dcf6531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cd8b3cc250a10d5a598460bbecd87d929079343cf23775f48bb88fa14b1229d5
[INFO] running `Command { std: "docker" "start" "-a" "cd8b3cc250a10d5a598460bbecd87d929079343cf23775f48bb88fa14b1229d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "cd8b3cc250a10d5a598460bbecd87d929079343cf23775f48bb88fa14b1229d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8b3cc250a10d5a598460bbecd87d929079343cf23775f48bb88fa14b1229d5", kill_on_drop: false }`
[INFO] [stdout] cd8b3cc250a10d5a598460bbecd87d929079343cf23775f48bb88fa14b1229d5