== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:30:57 (1790706657)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.265577 s, 3.9 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.188407 s, 5.6 MB/s