[INFO] fetching crate phosphor-studio 0.3.3...
[INFO] checking phosphor-studio-0.3.3 against master#55e86c996809902e8bbad512cfb4d2c18be446d9 for pr-153027
[INFO] extracting crate phosphor-studio 0.3.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate phosphor-studio 0.3.3
[INFO] finished tweaking crates.io crate phosphor-studio 0.3.3
[INFO] tweaked toml for crates.io crate phosphor-studio 0.3.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate phosphor-studio 0.3.3 on toolchain 55e86c996809902e8bbad512cfb4d2c18be446d9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate phosphor-studio 0.3.3 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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "fetch" "--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