[INFO] fetching crate rpmalloc-sys 0.2.3+b097fd0...
[INFO] checking rpmalloc-sys-0.2.3+b097fd0 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] extracting crate rpmalloc-sys 0.2.3+b097fd0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rpmalloc-sys 0.2.3+b097fd0
[INFO] finished tweaking crates.io crate rpmalloc-sys 0.2.3+b097fd0
[INFO] tweaked toml for crates.io crate rpmalloc-sys 0.2.3+b097fd0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpmalloc-sys 0.2.3+b097fd0 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "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