[INFO] cloning repository https://github.com/iamkorun/viscacha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamkorun/viscacha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamkorun%2Fviscacha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamkorun%2Fviscacha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 286f3a34b8c20c4dd1853f9a8689edd24ce492b4
[INFO] checking iamkorun/viscacha against master#40557f6225e337d68c8d4f086557ce54135f5dd9 for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamkorun%2Fviscacha" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iamkorun/viscacha
[INFO] finished tweaking git repo https://github.com/iamkorun/viscacha
[INFO] tweaked toml for git repo https://github.com/iamkorun/viscacha written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iamkorun/viscacha on toolchain 40557f6225e337d68c8d4f086557ce54135f5dd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iamkorun/viscacha 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" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "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


overridden task result to prepare-fail:timeout

Caused by:
    0: uncategorized prepare error
    1: no output for 300 seconds