[INFO] fetching crate assert_that 0.1.2...
[INFO] checking assert_that-0.1.2 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate assert_that 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate assert_that 0.1.2
[INFO] finished tweaking crates.io crate assert_that 0.1.2
[INFO] tweaked toml for crates.io crate assert_that 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate assert_that 0.1.2 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "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