$ time sudo ddrescue -f $DIR/ubuntu18.04.img $DIR2/ubuntu18.04.img log
GNU ddrescue 1.23
Press Ctrl-C to interrupt
     ipos:   42949 MB, non-trimmed:        0 B,  current rate:   1376 kB/s
     opos:   42949 MB, non-scraped:        0 B,  average rate:    111 MB/s
non-tried:        0 B,  bad-sector:        0 B,    error rate:       0 B/s
  rescued:   42949 MB,   bad areas:        0,        run time:      6m 23s
pct rescued:  100.00%, read errors:        0,  remaining time:         n/a
                              time since last successful read:         n/a
Finished

real    6m40.831s
user    0m0.968s
sys     0m35.677s