== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:31:27 (1790706687)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.168176 s, 6.2 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.140341 s, 7.5 MB/s