QA output created by 648
Silence is golden.
mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/error-test, missing codepage or helper program, or other error.
iteration 1 scratch mount failed
(see /xfstests-dev/results//btrfs_normal_freespacetree/generic/648.full for details)
umount: /mnt/scratch: not mounted.