== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:10:12 (1789409412)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.245715 s, 4.3 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124322 s, 8.4 MB/s