%Error-UNSUPPORTED: t/t_timing_localevent_unsup.v:12:17: Unsupported: waiting on local event variables
                                                       : ... In instance t::Sleeper
   12 |                 @e;
      |                 ^
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: Exiting due to