Elixir stack trace - cowboy

stack.ex

=INFO REPORT==== 16-Feb-2013::23:23:18 ===
    application: pascal
    exited: {bad_return,
                {{'Elixir-Pascal',start,[normal,[]]},
                 {'EXIT',
                     {undef,
                         [{cowboy_router,compile,
                              [[{'_',[{<<"/">>,'Elixir-Pascal-Handler',[]}]}]],
                              []},
                          {'Elixir-Pascal',start,2,
                              [{file,
                                   "/home/alan/AgilionApps/Projects/Pascal/lib/pascal.ex"},
                               {line,8}]},
                          {application_master,start_it_old,4,
                              [{file,"application_master.erl"},
                               {line,274}]}]}}}}

appears to be pointing to this line: https://github.com/alanpeabody/Pascal/blob/master/lib/pascal.ex#L8