[INFO] fetching crate fluid_attributes 0.4.0...
[INFO] checking fluid_attributes-0.4.0 against 1a2c4797ef2570bd76ca5dee34449169bc7dc457 for pr-163717-1
[INFO] extracting crate fluid_attributes 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate fluid_attributes 0.4.0
[INFO] finished tweaking crates.io crate fluid_attributes 0.4.0
[INFO] tweaked toml for crates.io crate fluid_attributes 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fluid_attributes 0.4.0 on toolchain 1a2c4797ef2570bd76ca5dee34449169bc7dc457
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1a2c4797ef2570bd76ca5dee34449169bc7dc457" "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" "+1a2c4797ef2570bd76ca5dee34449169bc7dc457" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to highest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.107)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.47)
[INFO] [stderr]       Adding syn v0.15.44 (available: v3.0.9)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1a2c4797ef2570bd76ca5dee34449169bc7dc457" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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