[INFO] fetching crate amargo 0.2.2...
[INFO] checking amargo-0.2.2 against master#d1ed52b1f5b78bf66127b670af813b84d57aeedb for pr-146562
[INFO] extracting crate amargo 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate amargo 0.2.2
[INFO] finished tweaking crates.io crate amargo 0.2.2
[INFO] tweaked toml for crates.io crate amargo 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate amargo 0.2.2 on toolchain d1ed52b1f5b78bf66127b670af813b84d57aeedb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate amargo 0.2.2 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" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "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


no output for 300 seconds