N2O and Elixir

gistfile1.txt

ims-MacBook-Pro-3:n2o_elixir jimfreeze$ mix run --ho-halt
Compiled lib/sample/sup.ex
Compiled lib/sample/routes.ex
Compiled lib/sample.ex
Compiled lib/sample/index.ex
== Compilation error on file lib/sample/n2o.ex ==
** (RuntimeError) error parsing file /Users/jimfreeze/Documents/Projects/N2O/n2o_elixir/_build/dev/lib/cowboy/src/cowboy_req.erl, got: {:error, :enoent}
    (elixir) lib/record/extractor.ex:55: Record.Extractor.read_file/1
    (elixir) lib/record/extractor.ex:33: Record.Extractor.retrieve_record/2
    lib/sample/n2o.ex:11: (module)
    (stdlib) erl_eval.erl:569: :erl_eval.do_apply/6
    (elixir) src/elixir.erl:140: :elixir.eval_forms/4