%Error-UNSUPPORTED: t/t_force.v:25:7: Unsupported: Verilog 1995 force
   25 |       force bus[1:0] = 2'b10;
      |       ^~~~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_force.v:29:7: Unsupported: Verilog 1995 release
   29 |       release bus;
      |       ^~~~~~~
%Error-UNSUPPORTED: t/t_force.v:43:10: Unsupported: Verilog 1995 force
   43 |          force never_driven = 32'h888;
      |          ^~~~~
%Error-UNSUPPORTED: t/t_force.v:56:10: Unsupported: Verilog 1995 release
   56 |          release never_forced;   
      |          ^~~~~~~
%Error-UNSUPPORTED: t/t_force.v:65:10: Unsupported: Verilog 1995 force
   65 |          force bus = 4'b0111;
      |          ^~~~~
%Error-UNSUPPORTED: t/t_force.v:69:10: Unsupported: Verilog 1995 force
   69 |          force bus = 4'b1111;
      |          ^~~~~
%Error-UNSUPPORTED: t/t_force.v:73:10: Unsupported: Verilog 1995 release
   73 |          release bus;
      |          ^~~~~~~
%Error-UNSUPPORTED: t/t_force.v:85:10: Unsupported: Verilog 1995 release
   85 |          release bus[0];
      |          ^~~~~~~
%Error: Exiting due to