Fixes an issue with lock where subsequents runs generates empty deps. useSystemNim excludes nim from the lock file
#502
| Job | Run time |
|---|---|
| 36s | |
| 36s | |
| 38s | |
| 36s | |
| 4m 58s | |
| 1m 54s | |
| 1m 57s | |
| 0s | |
| 11m 15s |