== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:21:05 (1789410065)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.122577 s, 8.6 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0995731 s, 10.5 MB/s