== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:26:35 (1790706395)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.326615 s, 3.2 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124689 s, 8.4 MB/s