anchor.diff:                                   [Beam, Desc])
                   end,
               _ = [PrintWarning(Beam, Desc) || {Beam, {error, Desc}} <- Compiled],
  -            ok
  +            {ok, F}
       end;
   cover_init(Config, BeamFiles) ->
       cover_init(rebar_config:get(Config, cover_enabled, false), BeamFiles).
  
positive.code:             ok
      end.
  
  cover_init(false, _BeamFiles) ->
      ok;
  cover_init(true, BeamFiles) ->
      %% Make sure any previous runs of cover don't unduly influence
      cover:reset(),
  
  
negative.code:     Modules = [rebar_utils:beam_to_mod(?EUNIT_DIR, N) || N <- BeamFiles],
      SrcModules = [rebar_utils:erl_to_mod(M) || M <- SrcErls],
  
      {ok, CoverLog} = cover_init(Config, BeamFiles),
  
      EunitResult = perform_eunit(Config, Modules),
      perform_cover(Config, Modules, SrcModules),
  
      cover_close(CoverLog),
  
      case EunitResult of
          ok ->
  