anchor.diff:              fun (F) ->
                   {ok, Bin} = file:read_file(local_path(F, Config)),
                   {list_to_binary(F), <<"image/png">>, Bin}
  -            end, AttachFiles),
  +            end, [MetricsFile|AttachFiles]),
           lists:foreach(
               fun (Addr) ->
                   lager:info("Sending bench results to ~s", [Addr]),
  
positive.code:                             config:= Config,
                              start_time:= StartTime,
                              finish_time:= FinishTime,
                              metrics:= MetricsMap}) ->
      try
          BenchTime = FinishTime - StartTime,
          Links =
  
negative.code:     ok = file:write_file(local_path("params.bin", Config), InputBin),
      erlang:process_flag(trap_exit, true),
  
      LogFile = local_path(get_env(bench_log_file), Config),
      {ok, LogHandler} = file:open(LogFile, [write]),
  
      MetricsFile = local_path(get_env(bench_metrics_file), Config),
      {ok, MetricsHandler} = file:open(MetricsFile, [write]),
  
      State = #{
  