%Error-UNSUPPORTED: t/t_checker_unsup.v:31:12: Unsupported: 'checker' below unit-level
   31 |    checker checker_in_module;
      |            ^~~~~~~~~~~~~~~~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_checker_unsup.v:37:12: Unsupported: 'checker' below unit-level
   37 |    checker checker_in_pkg;
      |            ^~~~~~~~~~~~~~
%Error-UNSUPPORTED: t/t_checker_unsup.v:41:29: Unsupported: checker port variable default value
   41 | checker Chk(input defaulted = 1'b0);
      |                             ^
%Error-UNSUPPORTED: t/t_checker_unsup.v:45:4: Unsupported: checker rand
   45 |    rand bit randed;   
      |    ^~~~
%Error-UNSUPPORTED: t/t_checker_unsup.v:67:4: Unsupported: default clocking identifier
   67 |    default clocking clk;   
      |    ^~~~~~~
%Error-UNSUPPORTED: t/t_checker_unsup.v:70:12: Unsupported: recursive 'checker'
   70 |    checker ChkChk;   
      |            ^~~~~~
%Error: Exiting due to