gistfile1.txt

$ ../mspec/bin/mspec -t bin/topaz ../rubyspec/core/range/begin_spec.rb 
topaz (ruby-1.9.3p125) [x86_64-darwin]
.

Finished in 0.002603 seconds

1 file, 1 example, 6 expectations, 0 failures, 0 errors

$ cd ..

$ mspec/bin/mspec -t topaz/bin/topaz rubyspec/core/range/begin_spec.rb 
topaz (ruby-1.9.3p125) [x86_64-darwin]
RPython traceback:
  File "topaz_main.c", line 128, in entry_point
  File "topaz_main.c", line 1737, in _entry_point
  File "topaz_objspace.c", line 2922, in execute
  File "rpython_jit_metainterp_warmspot.c", line 152, in ll_portal_runner__Signed_topaz_objects_codeobjec
  File "topaz_interpreter.c", line 254, in portal
  File "topaz_interpreter.c", line 666, in Interpreter__interpret
  File "topaz_interpreter.c", line 26009, in run_instr__SEND_2
  File "topaz_interpreter.c", line 57310, in Interpreter_SEND
  File "topaz_objects_functionobject.c", line 966, in W_BuiltinFunction_call
  File "implement.c", line 26681, in function_require
  File "topaz_modules_kernel.c", line 10258, in function_require_1
  File "topaz_modules_kernel.c", line 610, in load_feature
  File "rpython_rlib_streamio.c", line 2349, in BufferingInputStream_readall
  File "rpython_rlib_streamio.c", line 3096, in DiskFile_read
  ...
Fatal RPython error: OSError
Abort trap: 6