== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:23:43 (1790706223)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.157502 s, 6.7 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.250748 s, 4.2 MB/s