Interesting, I got a different failure on 3.5.0:

======================================================================
ERROR: test_sundry (test.test_tools.test_sundry.TestSundryScripts)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Program Files\Python 3.5\lib\optparse.py", line 1386, in parse_args
    stop = self._process_args(largs, rargs, values)
  File "C:\Program Files\Python 3.5\lib\optparse.py", line 1430, in _process_args
    self._process_short_opts(rargs, values)
  File "C:\Program Files\Python 3.5\lib\optparse.py", line 1512, in _process_short_opts
    raise BadOptionError(opt)
optparse.BadOptionError: no such option: -u

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Program Files\Python 3.5\lib\test\test_tools\test_sundry.py", line 36, in test_sundry
    import_tool(name)
  File "C:\Program Files\Python 3.5\lib\test\test_tools\__init__.py", line 22, in import_tool
    return importlib.import_module(toolname)
  File "C:\Program Files\Python 3.5\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 662, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "C:\Program Files\Python 3.5\Tools\scripts\2to3.py", line 5, in <module>
    sys.exit(main("lib2to3.fixes"))
  File "C:\Program Files\Python 3.5\lib\lib2to3\main.py", line 179, in main
    options, args = parser.parse_args(args)
  File "C:\Program Files\Python 3.5\lib\optparse.py", line 1388, in parse_args
    self.error(str(err))
  File "C:\Program Files\Python 3.5\lib\optparse.py", line 1568, in error
    self.exit(2, "%s: error: %s\n" % (self.get_prog_name(), msg))
  File "C:\Program Files\Python 3.5\lib\optparse.py", line 1558, in exit
    sys.exit(status)
SystemExit: 2


I had no failures on 3.4.3.