[INFO] fetching crate htmldiff 0.1.0...
[INFO] checking htmldiff-0.1.0 against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145605
[INFO] extracting crate htmldiff 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate htmldiff 0.1.0
[INFO] finished tweaking crates.io crate htmldiff 0.1.0
[INFO] tweaked toml for crates.io crate htmldiff 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate htmldiff 0.1.0 on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "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