rafal@machine ocaml-lsp % dune ocaml top-module dune
Error: exception Invalid_argument("Filename.chop_extension")
Raised at Stdlib.invalid_arg in file "stdlib.ml", line 30, characters 20-45
Called from Main__top.Module.module_directives in file "bin/ocaml/top.ml",
  line 106, characters 17-70
Called from Main__top.Module.term.(fun) in file "bin/ocaml/top.ml", line 229,
  characters 14-48
Called from Fiber__scheduler.exec in file "otherlibs/fiber/src/scheduler.ml",
  line 73, characters 8-11

I must not crash.  Uncertainty is the mind-killer. Exceptions are the
little-death that brings total obliteration.  I will fully express my cases.
Execution will pass over me and through me.  And when it has gone past, I
will unwind the stack along its path.  Where the cases are handled there will
be nothing.  Only I will remain.