rr images: add libzstd #607
| Job | Run time |
|---|---|
| 6m 48s | |
| 7m 3s | |
| 7m 1s | |
| 2m 32s | |
| 2m 36s | |
| 2m 29s | |
| 3m 49s | |
| 4m 4s | |
| 4m 15s | |
| 2m 26s | |
| 2m 4s | |
| 2m 56s | |
| 7m 10s | |
| 7m 9s | |
| 3m 24s | |
| 7m 39s | |
| 2m 43s | |
| 2m 49s | |
| 7m 41s | |
| 7m 18s | |
| 2m 54s | |
| 8m 11s | |
| 2m 50s | |
| 1m 40s | |
| 2m 28s | |
| 10m 22s | |
| 3m 9s | |
| 6m 49s | |
| 6m 21s | |
| 3m 18s | |
| 6m 40s | |
| 2m 29s | |
| 1m 38s | |
| 5m 17s | |
| 2m 21s | |
| 2m 19s | |
| 1s | |
| 2h 42m 43s |