Similar but difference issue.

http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.5/builds/215/steps/test/logs/stdio

======================================================================
FAIL: test_directory_compiled (test.test_multiprocessing_main_handling.SpawnCmdLineTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\test_multiprocessing_main_handling.py", line 207, in test_directory_compiled
    self._check_script(script_dir)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\test_multiprocessing_main_handling.py", line 155, in _check_script
    rc, out, err = assert_python_ok(*run_args, __isolated=False)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\support\script_helper.py", line 150, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\support\script_helper.py", line 136, in _assert_python
    err))
AssertionError: Process return code is 1
command line: ['C:\\buildbot.python.org\\3.5.kloth-win64\\build\\PCbuild\\amd64\\python_d.exe', '-X', 'faulthandler', '-E', 'C:\\Users\\Buildbot\\AppData\\Local\\Temp\\tmp47s9eead', 'spawn']

stdout:
---

---

stderr:
---
Traceback (most recent call last):

  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\runpy.py", line 193, in _run_module_as_main

    "__main__", mod_spec)

  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\runpy.py", line 85, in _run_code

    exec(code, run_globals)

  File "C:\Users\Buildbot\AppData\Local\Temp\tmp47s9eead\__main__.py", line 23, in <module>

RuntimeError: Timed out waiting for results
---


Second run:


======================================================================
FAIL: test_directory (test.test_multiprocessing_main_handling.SpawnCmdLineTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\test_multiprocessing_main_handling.py", line 197, in test_directory
    self._check_script(script_dir)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\test_multiprocessing_main_handling.py", line 155, in _check_script
    rc, out, err = assert_python_ok(*run_args, __isolated=False)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\support\script_helper.py", line 150, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\support\script_helper.py", line 136, in _assert_python
    err))
AssertionError: Process return code is 1
command line: ['C:\\buildbot.python.org\\3.5.kloth-win64\\build\\PCbuild\\amd64\\python_d.exe', '-X', 'faulthandler', '-E', 'C:\\Users\\Buildbot\\AppData\\Local\\Temp\\tmp3hfxysdu', 'spawn']

stdout:
---

---

stderr:
---
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\Buildbot\AppData\Local\Temp\tmp3hfxysdu\__main__.py", line 23, in <module>
    raise RuntimeError("Timed out waiting for results")
RuntimeError: Timed out waiting for results
---

======================================================================
FAIL: test_directory_compiled (test.test_multiprocessing_main_handling.SpawnCmdLineTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\test_multiprocessing_main_handling.py", line 207, in test_directory_compiled
    self._check_script(script_dir)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\test_multiprocessing_main_handling.py", line 155, in _check_script
    rc, out, err = assert_python_ok(*run_args, __isolated=False)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\support\script_helper.py", line 150, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\test\support\script_helper.py", line 136, in _assert_python
    err))
AssertionError: Process return code is 1
command line: ['C:\\buildbot.python.org\\3.5.kloth-win64\\build\\PCbuild\\amd64\\python_d.exe', '-X', 'faulthandler', '-E', 'C:\\Users\\Buildbot\\AppData\\Local\\Temp\\tmpvez1m7b1', 'spawn']

stdout:
---

---

stderr:
---
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\buildbot.python.org\3.5.kloth-win64\build\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\Buildbot\AppData\Local\Temp\tmpvez1m7b1\__main__.py", line 23, in <module>
RuntimeError: Timed out waiting for results
---