== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:35:28 (1789410928)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.438565 s, 2.4 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.179351 s, 5.8 MB/s