[INFO] fetching crate ngspice-sys 0.2.1...
[INFO] testing ngspice-sys-0.2.1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate ngspice-sys 0.2.1 into /workspace/builds/worker-2-tc1/source


unable to download ngspice-sys version 0.2.1

Caused by:
    unexpected end of file