[INFO] cloning repository https://github.com/luc-silva/lucgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luc-silva/lucgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluc-silva%2Flucgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluc-silva%2Flucgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b58ed6b92619f4ddaeb2e680336f704fea8c1ba
[INFO] checking luc-silva/lucgrep against master#b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluc-silva%2Flucgrep" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luc-silva/lucgrep
[INFO] finished tweaking git repo https://github.com/luc-silva/lucgrep
[INFO] tweaked toml for git repo https://github.com/luc-silva/lucgrep written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luc-silva/lucgrep on toolchain b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luc-silva/lucgrep 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" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "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