anchor.diff:              %% Directory exists, try again
               create_tmp_dir();
           {error, Reason} ->
  -            concuerror_log:log(0, "error: ~p\n", [Reason]),
  +            concuerror_log:log(0, "\nerror: ~p\n", [Reason]),
               error
       end.
   
  
positive.code:                         {ok, NewModule, Binary} ->
                              {NewModule, NewFile, Binary};
                          error ->
                              concuerror_log:log(0, "Failed to compile "
                                  "instrumented file ~p.~n", [NewFile]),
                              error
                      end;
                  {error, Error} ->
                      concuerror_log:log(0, "Failed to instrument "
                          "file ~p: ~p~n", [File, Error]),
                      error
              end;
          {error, Errors, Warnings} ->
  
negative.code: 
  %% Log a list of error or warning descriptors, as returned by compile:file/2.
  log_list(List, Pre, Verbosity) ->
      Strings = [io_lib:format("\n~s:~p: ~s ~s",
                      [File, Line, Pre, Mod:format_error(Descr)])
                || {File, Info} <- List, {Line, Mod, Descr} <- Info],
      concuerror_log:log(Verbosity, lists:flatten(Strings)),
  