[INFO] fetching crate alto-types 2026.3.0...
[INFO] checking alto-types-2026.3.0 against master#1b8f2e46e14b08208a53585570edd9206374aae8 for pr-155418
[INFO] extracting crate alto-types 2026.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate alto-types 2026.3.0
[INFO] finished tweaking crates.io crate alto-types 2026.3.0
[INFO] tweaked toml for crates.io crate alto-types 2026.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alto-types 2026.3.0 on toolchain 1b8f2e46e14b08208a53585570edd9206374aae8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alto-types 2026.3.0 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" "+1b8f2e46e14b08208a53585570edd9206374aae8" "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