Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Entry 'AM-^?' in /ci_dir (12) has illegal UTF-8 characters in its name.
Fix? yes

Entry 'AM-~' in /ci_dir (12) has illegal UTF-8 characters in its name.
Fix? yes

Duplicate entry 'A.' found.
	Marking /ci_dir (12) to be rebuilt.

Pass 3: Checking directory connectivity
Pass 3A: Optimizing directories
Entry 'A.' in /ci_dir (12) has a non-unique filename.
Rename to A.~0? yes

Pass 4: Checking reference counts
Pass 5: Checking group summary information

test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 14/16 files (0.0% non-contiguous), 22/100 blocks
Exit status is 1