fix: ReferenceMixin._ref weakrefs after deep copy #918
| Job | Run time |
|---|---|
| 8s | |
| 2m 22s | |
| 1m 45s | |
| 7m 7s | |
| 2m 52s | |
| 57s | |
| 1m 35s | |
| 1m 35s | |
| 1m 35s | |
| 29s | |
| 2m 10s | |
| 1m 1s | |
| 1m 22s | |
| 1m 3s | |
| 2m 51s | |
| 1m 8s | |
| 2m 5s | |
| 1m 8s | |
| 1m 10s | |
| 2m 32s | |
| 2m 35s | |
| 1m 24s | |
| 3m 23s | |
| 2m 42s | |
| 1m 17s | |
| 4m 32s | |
| 1m 37s | |
| 2m 0s | |
| 1m 39s | |
| 0s | |
| 58m 4s |