== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:27:30 (1790706450)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.178308 s, 5.9 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0773247 s, 13.6 MB/s