[INFO] fetching crate mat4 0.2.1...
[INFO] checking mat4-0.2.1 against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208
[INFO] extracting crate mat4 0.2.1 into /workspace/builds/worker-1-tc1/source


unable to download mat4 version 0.2.1

Caused by:
    unexpected end of file