[INFO] cloning repository https://github.com/huyufeifei/svdrivers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huyufeifei/svdrivers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuyufeifei%2Fsvdrivers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuyufeifei%2Fsvdrivers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e5bf67fc384a69679e09fbbabc33a068580aa61
[INFO] checking huyufeifei/svdrivers against 0b63defc8fd68957c635fe61f097b84df8fd9611 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuyufeifei%2Fsvdrivers" "/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/huyufeifei/svdrivers
[INFO] finished tweaking git repo https://github.com/huyufeifei/svdrivers
[INFO] tweaked toml for git repo https://github.com/huyufeifei/svdrivers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/huyufeifei/svdrivers 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/os-module/kernel-sync.git`
[INFO] [stderr]     Updating git repository `https://github.com/os-module/plic`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/virtio-drivers`
[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