== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:36:31 (1789410991)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.332541 s, 3.2 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.283543 s, 3.7 MB/s