== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:45:28 (1789411528)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.283568 s, 3.7 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.104721 s, 10.0 MB/s