CutEr crash when testing github.com/duomark/epocxy cxy_synch

[jaynel]

cuter:run(cxy_synch, before_task, [3, fun() -> io:format("~p", [4]) end]).
Testing cxy_synch:before_task/2 ...
444Proccess <0.79.0> exited with {{badmatch,
{{value,
{{15,"#Ref<0.0.0.419>"},
{file_descriptor,prim_file,
{#Port<0.1641>,315360760}}}},
{[],[]}}},
[{cuter_merger,merge_next_file_from_waiting,1,
[{file,"src/cuter_merger.erl"},{line,210}]},
{cuter_analyzer,process_raw_execution_info,1,
[{file,"src/cuter_analyzer.erl"},{line,85}]},
{cuter_poller,retrieve_info,3,
[{file,"src/cuter_poller.erl"},{line,86}]},
{cuter_poller,loop,1,
[{file,"src/cuter_poller.erl"},{line,47}]}]}

No Runtime Errors Occured

=== BIFs Currently without Symbolic Interpretation ===
erlang:process_flag/2
erlang:self/0
erlang:make_ref/0
[]

https://github.com/duomark/epocxy/blob/master/src/cxy_synch.erl#L44-L46