[INFO] cloning repository https://github.com/Decending/D7020E_lab4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Decending/D7020E_lab4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDecending%2FD7020E_lab4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDecending%2FD7020E_lab4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7dc295397067ae19d47cbddef6fd8272b4c62db
[INFO] checking Decending/D7020E_lab4 against 0b63defc8fd68957c635fe61f097b84df8fd9611 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDecending%2FD7020E_lab4" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
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Updating files: 100% (26051/26051), done.
[INFO] started tweaking git repo https://github.com/Decending/D7020E_lab4
[INFO] finished tweaking git repo https://github.com/Decending/D7020E_lab4
[INFO] tweaked toml for git repo https://github.com/Decending/D7020E_lab4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Decending/D7020E_lab4 on toolchain 0b63defc8fd68957c635fe61f097b84df8fd9611
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Decending/D7020E_lab4 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" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "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