condition(s) violated: Vec::set_len requires that new_len <= capacity() This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.assertion failed: nxt.is_some()Hash table capacity overflowassertion failed: buckets.is_power_of_two()assertion failed: index < self.buckets()assertion failed: self.items <= capacitythis function can only be called on non-empty tables€