By: Tom Sydney Kerckhove <syd@cs-syd.eu>
Use --fail-fast in child mutation processes: no point running more tests once one fails
| Time to Start | Worker time | Duration | Time to finish | Idle | |
| Config | 5s | 3s | 3s | 8s | 5s |
| Eval | 9s | 55s | 55s | 1m05s | 0s |
| Build | 8m17s | 25m35s | 5h22m42s | 5h31m00s | 14m29s |
| Suite | 5s | 26m33s | 5h30m54s | 5h31m00s | 5h16m36s |