[INFO] fetching crate struct-builder 0.3.0...
[INFO] testing struct-builder-0.3.0 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate struct-builder 0.3.0 into /workspace/builds/worker-3-tc1/source


unable to download struct-builder version 0.3.0

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