[INFO] fetching crate blueprint-starlark-map 0.13.0...
[INFO] checking blueprint-starlark-map-0.13.0 against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] extracting crate blueprint-starlark-map 0.13.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate blueprint-starlark-map 0.13.0
[INFO] finished tweaking crates.io crate blueprint-starlark-map 0.13.0
[INFO] tweaked toml for crates.io crate blueprint-starlark-map 0.13.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate blueprint-starlark-map 0.13.0 on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate blueprint-starlark-map 0.13.0 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "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