== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:35:13 (1789410913)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.244455 s, 4.3 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.170771 s, 6.1 MB/s