[INFO] fetching crate mimerrust-sys 1.0.3...
[INFO] checking mimerrust-sys-1.0.3 against master#4008bbdf34b583ce44a467043aae3703afc0a76f for pr-129249-2
[INFO] extracting crate mimerrust-sys 1.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mimerrust-sys 1.0.3
[INFO] finished tweaking crates.io crate mimerrust-sys 1.0.3
[INFO] tweaked toml for crates.io crate mimerrust-sys 1.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mimerrust-sys 1.0.3 on toolchain 4008bbdf34b583ce44a467043aae3703afc0a76f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "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" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "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]     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