[INFO] cloning repository https://github.com/friendbear/perfect-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/friendbear/perfect-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriendbear%2Fperfect-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriendbear%2Fperfect-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3b2aac61d3e3db281139738b4e3cf5add1257c0
[INFO] checking friendbear/perfect-rust against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriendbear%2Fperfect-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/friendbear/perfect-rust on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/friendbear/perfect-rust
[INFO] finished tweaking git repo https://github.com/friendbear/perfect-rust
[INFO] tweaked toml for git repo https://github.com/friendbear/perfect-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/friendbear/perfect-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-0-tc1/source/practice_collection/youtube_to_mp3/Cargo.toml: unused manifest key: bin.0.src
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds