Take &self in handle methods that took &mut self
#3642
| Job | Run time |
|---|---|
| 7s | |
| 1m 58s | |
| 5m 24s | |
| 1m 1s | |
| 4m 13s | |
| 3m 16s | |
| 1m 43s | |
| 1m 23s | |
| 5m 54s | |
| 1m 50s | |
| 2m 6s | |
| 2m 10s | |
| 1m 58s | |
| 33m 3s |