== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:37:15 (1789411035)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.117472 s, 8.9 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.105819 s, 9.9 MB/s