[INFO] cloning repository https://github.com/dovakin0007/png_me_challenge_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dovakin0007/png_me_challenge_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2Fpng_me_challenge_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2Fpng_me_challenge_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3eef2109cef728f7387ddc63d4e43bc84c7b7843
[INFO] checking dovakin0007/png_me_challenge_rust/3eef2109cef728f7387ddc63d4e43bc84c7b7843 against master#89a99936d9e76a50e8df622e7242190841fd871b for pr-156160-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2Fpng_me_challenge_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  63% (675/1063)
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Updating files: 100% (1063/1063), done.
[INFO] started tweaking git repo https://github.com/dovakin0007/png_me_challenge_rust
[INFO] finished tweaking git repo https://github.com/dovakin0007/png_me_challenge_rust
[INFO] tweaked toml for git repo https://github.com/dovakin0007/png_me_challenge_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dovakin0007/png_me_challenge_rust on toolchain 89a99936d9e76a50e8df622e7242190841fd871b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dovakin0007/png_me_challenge_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" "+89a99936d9e76a50e8df622e7242190841fd871b" "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