$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-compat.git /var/lib/mock/f41-build-side-1-3129186-39576/root/chroot_tmpdir/scmroot/rust-tokio-compat
Cloning into '/var/lib/mock/f41-build-side-1-3129186-39576/root/chroot_tmpdir/scmroot/rust-tokio-compat'...
$ git fetch origin b274520d5860d61dba92cefd18f957078d1864f7:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/rust-tokio-compat.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to src.fedoraproject.org:443 
$ git reset --hard b274520d5860d61dba92cefd18f957078d1864f7
HEAD is now at b274520 unused leaf package for more than two release cycles