== sanity-zero test 3a: truncate to a ZEROSTART boundary with an empty prev component ========================================================== 14:30:29 (1790706629)
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.148848 s, 7.0 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.121436 s, 8.6 MB/s