Produce &[T] instead of Option<&[T]> for list fields
#6960
| Job | Run time |
|---|---|
| 11s | |
| 1m 5s | |
| 7m 16s | |
| 18m 41s | |
| 8m 13s | |
| 9m 12s | |
| 4m 54s | |
| 4m 24s | |
| 18m 50s | |
| 6m 27s | |
| 3m 3s | |
| 4m 15s | |
| 6m 53s | |
| 14m 27s | |
| 9m 26s | |
| 8m 38s | |
| 5m 51s | |
| 14m 28s | |
| 12m 51s | |
| 7m 11s | |
| 7m 41s | |
| 12m 5s | |
| 4m 43s | |
| 7m 1s | |
| 5m 6s | |
| 4m 52s | |
| 4m 48s | |
| 13m 27s | |
| 3m 30s | |
| 8m 16s | |
| 7m 41s | |
| 5m 2s | |
| 11m 16s | |
| 9m 50s | |
| 8m 12s | |
| 4m 35s | |
| 29s | |
| 5s | |
| 4h 44m 55s |