By: Tom Sydney Kerckhove <syd@cs-syd.eu>
Use top-level CAFs for coverage recording to support -O0
| Time to Start | Worker time | Duration | Time to finish | |
| Config | 20m42s | 13s | 13s | 20m56s |
| Eval | 20m56s | 25s | 25s | 21m22s |
| Build | 21m22s | 53s | 54s | 22m17s |
| Test | - | - | - | - |
| Deploy | - | - | - | - |
| Suite | 20m42s | 1m32s | 1m34s | 22m17s |