anchor.diff:                  riak_moss_utils:close_riak_connection(Riak)
               end;
           {error, Reason} ->
  -            lager:warning(
  -              "Unable to verify ~s bucket settings (~p).",
  -              [Bucket, Reason]),
  +            _ = lager:warning(
  +                  "Unable to verify ~s bucket settings (~p).",
  +                  [Bucket, Reason]),
               {error, Reason}
       end.
   
  
positive.code:         {ok, Props} ->
              case lists:keyfind(allow_mult, 1, Props) of
                  {allow_mult, true} ->
                      lager:debug("~s bucket was"
                                  " already configured correctly.",
                                  [Bucket]),
                      ok;
                  _ ->
                      case riakc_pb_socket:set_bucket(
                             Riak, Bucket,
                             [{allow_mult, true}]) of
                          ok ->
                              lager:info("Configured ~s"
                                         " bucket settings.",
                                         [Bucket]),
                              ok;
                          {error, Reason} ->
                              lager:warning("Unable to configure ~s"
                                            " bucket settings (~p).",
                                            [Bucket, Reason]),
                              {error, Reason}
                      end
              end;
          {error, Reason} ->
              lager:warning(
                "Unable to verify ~s bucket settings (~p).",
                [Bucket, Reason]),
              {error, Reason}
      end.
  
  
negative.code: 
  %% @doc Get all slices covering the period from `Start' to `End'.
  -spec slices_filling(datetime(), datetime(), integer())
           -> [slice()].
  slices_filling(Start, End, Period) when Start > End ->
      slices_filling(End, Start, Period);
  slices_filling(Start, End, Period) ->
  