$ git clone -n https://src.fedoraproject.org/rpms/rust-async-io.git /var/lib/mock/f40-build-2590189-62604/root/chroot_tmpdir/scmroot/rust-async-io
Cloning into '/var/lib/mock/f40-build-2590189-62604/root/chroot_tmpdir/scmroot/rust-async-io'...
$ git fetch origin a48825bd92f1e834162c591e1ae461486b2260e0:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/rust-async-io.git/': Transferred a partial file
$ git reset --hard a48825bd92f1e834162c591e1ae461486b2260e0
HEAD is now at a48825b Update to version 2.3.1; Fixes RHBZ#2258541