By: Greg Pfeil <greg@technomadic.org>
Rename `Filesystem` modules And expose error types
| Time to Start | Worker time | Duration | Time to finish | |
| Config | - 1s | 1s | 1s | 0s |
| Eval | 0s | 4m55s | 4m55s | 4m56s |
| Build | 2m42s | 17m35s | 3m33s | 6m15s |
| Test | - | - | - | - |
| Deploy | - | - | - | - |
| Suite | - 1s | 22m33s | 6m17s | 6m15s |