== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:28:05 (1790706485)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.198704 s, 5.3 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.109377 s, 9.6 MB/s