[INFO] fetching crate casper-execution-engine 7.0.3...
[INFO] checking casper-execution-engine-7.0.3 against master#1f81f906893d166d05fb4839f169983f2b564cc7 for pr-135167
[INFO] extracting crate casper-execution-engine 7.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate casper-execution-engine 7.0.3 on toolchain 1f81f906893d166d05fb4839f169983f2b564cc7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper-execution-engine 7.0.3
[INFO] finished tweaking crates.io crate casper-execution-engine 7.0.3
[INFO] tweaked toml for crates.io crate casper-execution-engine 7.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "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