== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:25:58 (1790706358)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.201413 s, 5.2 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.167475 s, 6.3 MB/s