== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:36:43 (1789411003)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.217524 s, 4.8 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.153649 s, 6.8 MB/s