By: Michael Lynch <git@mtlynch.io>
Define a function type for generating file IDs
| Time to Start | Worker time | Duration | Time to finish | Idle | |
| Config | 2s | 9s | 9s | 11s | 2s |
| Eval | 8s | 1m36s | 1m36s | 1m44s | 0s |
| Build | 1m18s | 7m40s | 3m14s | 4m32s | 37s |
| Suite | 2s | 9m26s | 4m30s | 4m32s | 39s |