[INFO] cloning repository https://github.com/toastinthetub/doublylinkedlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toastinthetub/doublylinkedlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastinthetub%2Fdoublylinkedlist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastinthetub%2Fdoublylinkedlist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbb6f8f4b84f9e9a978b86d74adc0fe8dd336e05
[INFO] checking toastinthetub/doublylinkedlist against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastinthetub%2Fdoublylinkedlist" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/toastinthetub/doublylinkedlist
[INFO] finished tweaking git repo https://github.com/toastinthetub/doublylinkedlist
[INFO] tweaked toml for git repo https://github.com/toastinthetub/doublylinkedlist written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/toastinthetub/doublylinkedlist on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/toastinthetub/doublylinkedlist 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds