[INFO] cloning repository https://github.com/crs2107/Rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crs2107/Rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrs2107%2FRust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrs2107%2FRust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 288e06d9569ebda09e30cb3d77b3d0c6b5954b61
[INFO] documenting crs2107/Rust_practice 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%2Fcrs2107%2FRust_practice" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crs2107/Rust_practice 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/crs2107/Rust_practice
[INFO] finished tweaking git repo https://github.com/crs2107/Rust_practice
[INFO] tweaked toml for git repo https://github.com/crs2107/Rust_practice written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/crs2107/Rust_practice 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 466658290ac23bd73b6aee42150ca452cd6a0755c8c4e3f222470ff154579cf3
[INFO] running `Command { std: "docker" "start" "-a" "466658290ac23bd73b6aee42150ca452cd6a0755c8c4e3f222470ff154579cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "466658290ac23bd73b6aee42150ca452cd6a0755c8c4e3f222470ff154579cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466658290ac23bd73b6aee42150ca452cd6a0755c8c4e3f222470ff154579cf3", kill_on_drop: false }`
[INFO] [stdout] 466658290ac23bd73b6aee42150ca452cd6a0755c8c4e3f222470ff154579cf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 4c5f74e71f52ddf84b498f24db63976485dfe9fd753cd473cbbafa349abaf5f1
[INFO] running `Command { std: "docker" "start" "-a" "4c5f74e71f52ddf84b498f24db63976485dfe9fd753cd473cbbafa349abaf5f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting prime_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "4c5f74e71f52ddf84b498f24db63976485dfe9fd753cd473cbbafa349abaf5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5f74e71f52ddf84b498f24db63976485dfe9fd753cd473cbbafa349abaf5f1", kill_on_drop: false }`
[INFO] [stdout] 4c5f74e71f52ddf84b498f24db63976485dfe9fd753cd473cbbafa349abaf5f1