Log excerpt: gn  !! Copr timeout => sending I
Comment: This is a sign that Copr build system terminated the build process using SIGINT because the time was out.

Log excerpt: nk
Executing(%check): /bin/sh -e /var/tmp/rpm-tmp.Cneu
Comment: Since `%check` is the last spec section mentioned before the actual failure, it is clear that it is a failure in tests (not %build or %install).