[INFO] fetching crate atsam3sd8c 0.1.0...
[INFO] checking atsam3sd8c-0.1.0 against 1af98b7cdf86932b76182a387f52f1be6f0c1be0 for pr-159706
[INFO] extracting crate atsam3sd8c 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate atsam3sd8c 0.1.0
[INFO] finished tweaking crates.io crate atsam3sd8c 0.1.0
[INFO] tweaked toml for crates.io crate atsam3sd8c 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate atsam3sd8c 0.1.0 on toolchain 1af98b7cdf86932b76182a387f52f1be6f0c1be0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1af98b7cdf86932b76182a387f52f1be6f0c1be0" "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" "+1af98b7cdf86932b76182a387f52f1be6f0c1be0" "generate-lockfile" "--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