== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:13:32 (1789409612)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0872843 s, 12.0 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0837558 s, 12.5 MB/s