The signal BTN0_IBUF has no load. PAR will not attempt to route this signal. The signal BTN1_IBUF has no load. PAR will not attempt to route this signal. The signal BTN3_IBUF has no load. PAR will not attempt to route this signal. Only a subset of IOs are locked. Out of 14 IOs, 13 are locked and 1 are not locked. If you would like to print the names of these IOs, please set the environment variable XIL_PAR_DESIGN_CHECK_VERBOSE to 1. There are 3 loadless signals in this design. This design will cause Bitgen to issue DRC warnings. There are 3 loadless signals in this design. This design will cause Bitgen to issue DRC warnings.