%Error: t/t_clocking_bad3.v:14:14: Corresponding variable 'in' does not exist
   14 |        input in;
      |              ^~
%Error: t/t_clocking_bad3.v:15:15: Corresponding variable 'out' does not exist
   15 |        output out;
      |               ^~~
%Error: t/t_clocking_bad3.v:18:13: Duplicate declaration of CLOCKING 'cb': 'cb'
   18 |    clocking cb @(posedge clk);
      |             ^~
        t/t_clocking_bad3.v:13:13: ... Location of original declaration
   13 |    clocking cb @(posedge clk);
      |             ^~
%Error: Exiting due to
