[INFO] fetching crate prefix-tree 0.5.0...
[INFO] testing prefix-tree-0.5.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate prefix-tree 0.5.0 into /workspace/builds/worker-5-tc1/source


unable to download prefix-tree version 0.5.0

Caused by:
    0: failed to unpack `prefix-tree-0.5.0/LICENSE` into `/workspace/builds/worker-5-tc1/source/LICENSE`
    1: No space left on device (os error 28)