$ git clone -n https://src.fedoraproject.org/rpms/rust-backtrace.git /var/lib/mock/f37-build-side-32-misc-devel-358180-15600/root/chroot_tmpdir/scmroot/rust-backtrace
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-358180-15600/root/chroot_tmpdir/scmroot/rust-backtrace'...
$ git reset --hard 68934b7e90d35c117420eca14563ee34d3aaeee6
HEAD is now at 68934b7 Update to version 0.3.66; Fixes RHBZ#2076300