[INFO] fetching crate cassandra-sigv4 0.1.3...
[INFO] checking cassandra-sigv4-0.1.3 against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] extracting crate cassandra-sigv4 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cassandra-sigv4 0.1.3
[INFO] finished tweaking crates.io crate cassandra-sigv4 0.1.3
[INFO] tweaked toml for crates.io crate cassandra-sigv4 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cassandra-sigv4 0.1.3 on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "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" "+42f4793e5a514858221b07ac379029d90353913e" "generate-lockfile" "--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


no output for 300 seconds