$ git clone -n https://src.fedoraproject.org/rpms/rust-bytecheck.git /var/lib/mock/f38-build-side-43-rust-devel-1414894-31452/root/chroot_tmpdir/scmroot/rust-bytecheck
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1414894-31452/root/chroot_tmpdir/scmroot/rust-bytecheck'...
$ git fetch origin 3d97299ef25decb4cfe6f7cb5b630b573c0fc2ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bytecheck
 * [new ref]         3d97299ef25decb4cfe6f7cb5b630b573c0fc2ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d97299 Skip tests that fail with Rust 1.71