cohttp-eio.Server: Don't blow up in callback on client read timeout.
#1415
| Job | Run time |
|---|---|
| 2m 59s | |
| 4m 28s | |
| 3m 55s | |
| 7m 52s | |
| 6m 37s | |
| 9m 47s | |
| 7m 39s | |
| 7m 12s | |
| 7m 37s | |
| 8m 43s | |
| 9m 33s | |
| 14m 34s | |
| 10m 34s | |
| 13m 3s | |
| 11m 26s | |
| 12m 29s | |
| 2h 18m 28s |