By: Michael Lynch <git@mtlynch.io>
Return errors from caption media reads Keep media lookup side-effect free so the GET handlers explicitly translate read errors into HTTP responses.
| Time to Start | Worker time | Duration | Time to finish | Idle | |
| Config | 2s | 10s | 10s | 13s | 2s |
| Eval | 9s | 50s | 50s | 1m00s | 0s |
| Build | 46s | 3m08s | 2m35s | 3m21s | 42s |
| Suite | 2s | 4m10s | 3m19s | 3m21s | 45s |