Data races in convec
Affected versions of this crate unconditionally implement Send/Sync for ConVec<T>. This allows users to insert T that is not Send or not Sync. This allows users to create data races by using non-Send types like Arc<Cell<>> or Rc<> as T in ConVec<T>. It is also possible to create data races by using types like Cell<> or RefCell<> as T (types that are Send but not Sync). Such data races can …