[INFO] fetching crate aetheric-engine 0.1.1-alpha...
[INFO] checking aetheric-engine-0.1.1-alpha against ed77b7b8699e342c2dc842c83cb5fe4025252ee8 for pr-158915-1
[INFO] extracting crate aetheric-engine 0.1.1-alpha into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate aetheric-engine 0.1.1-alpha
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate aetheric-engine 0.1.1-alpha
[INFO] tweaked toml for crates.io crate aetheric-engine 0.1.1-alpha written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate aetheric-engine 0.1.1-alpha on toolchain ed77b7b8699e342c2dc842c83cb5fe4025252ee8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aetheric-engine 0.1.1-alpha 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" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "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