== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:26:06 (1790706366)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.197052 s, 5.3 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.116329 s, 9.0 MB/s