== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:25:03 (1790706303)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.250842 s, 4.2 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.133419 s, 7.9 MB/s