I assume the relevant statics in `parking_lot` would be `NUM_THREADS` and `HASHTABLE` in `core/parking_lot.rs`. They are the globals that all locks interact with.    EDIT: Do you happen to know which specific lock(s) are the problematic ones when there are two instances of these statics?    Btw, I pinged you on IRC. If that medium is available to you it's probably a lot more effective means of communication for discussing this.