[INFO] fetching crate google-spectrum1_explorer 6.0.0+20170306...
[INFO] checking google-spectrum1_explorer-6.0.0+20170306 against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] extracting crate google-spectrum1_explorer 6.0.0+20170306 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate google-spectrum1_explorer 6.0.0+20170306
[INFO] finished tweaking crates.io crate google-spectrum1_explorer 6.0.0+20170306
[INFO] tweaked toml for crates.io crate google-spectrum1_explorer 6.0.0+20170306 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate google-spectrum1_explorer 6.0.0+20170306 on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "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" "+ca77504943887037504c7fc0b9bf06dab3910373" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-3-tc1/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to write /workspace/builds/worker-3-tc1/source/Cargo.lock

Caused by:
  No space left on device (os error 28)