[INFO] fetching crate crystal 0.0.1-alpha1...
[INFO] testing crystal-0.0.1-alpha1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate crystal 0.0.1-alpha1 into /workspace/builds/worker-0-tc1/source


unable to download crystal version 0.0.1-alpha1

Caused by:
    unexpected end of file