[Python-checkins] buildbot failure in AMD64 W2k8 3.0

[buildbot at python.org]

The Buildbot has detected a new failure of AMD64 W2k8 3.0.
Full details are available at:
 http://www.python.org/dev/buildbot/all/AMD64%20W2k8%203.0/builds/994

Buildbot URL: http://www.python.org/dev/buildbot/all/

Buildslave for this Build: nelson-win64

Build Reason: 
Build Source Stamp: [branch branches/py3k] HEAD
Blamelist: georg.brandl,martin.v.loewis

BUILD FAILED: failed test

Excerpt from the test logfile:
1 test failed:
    test_io

======================================================================
ERROR: testBasicIO (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 923, in testBasicIO
    self.assertEquals(f.write("abc"), 3)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1491, in write
    b = encoder.encode(s)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 22, in encode
    return codecs.ascii_encode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_encode'

======================================================================
ERROR: testEncodingErrorsReading (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 761, in testEncodingErrorsReading
    self.assertRaises(UnicodeError, t.read)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\unittest.py", line 311, in failUnlessRaises
    callableObj(*args, **kwargs)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1724, in read
    decoder.decode(self.buffer.read(), final=True))
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1295, in decode
    output = self.decoder.decode(input, final=final)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_decode'

======================================================================
ERROR: testEncodingErrorsWriting (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 779, in testEncodingErrorsWriting
    self.assertRaises(UnicodeError, t.write, "\xff")
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\unittest.py", line 311, in failUnlessRaises
    callableObj(*args, **kwargs)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1491, in write
    b = encoder.encode(s)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 22, in encode
    return codecs.ascii_encode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_encode'

======================================================================
ERROR: testNewlinesInput (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 884, in testNewlinesInput
    self.assertEquals(txt.readlines(), expected)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 534, in readlines
    return list(self)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1739, in __next__
    line = self.readline()
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1813, in readline
    while self._read_chunk():
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1562, in _read_chunk
    self._set_decoded_chars(self._decoder.decode(input_chunk, eof))
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1295, in decode
    output = self.decoder.decode(input, final=final)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_decode'

======================================================================
ERROR: testNewlinesOutput (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 909, in testNewlinesOutput
    txt.write(data)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1491, in write
    b = encoder.encode(s)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 22, in encode
    return codecs.ascii_encode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_encode'

======================================================================
ERROR: test_issue1395_1 (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 1145, in test_issue1395_1
    c = txt.read(1)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1733, in read
    eof = not self._read_chunk()
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1562, in _read_chunk
    self._set_decoded_chars(self._decoder.decode(input_chunk, eof))
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1295, in decode
    output = self.decoder.decode(input, final=final)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_decode'

======================================================================
ERROR: test_issue1395_2 (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 1157, in test_issue1395_2
    c = txt.read(4)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1733, in read
    eof = not self._read_chunk()
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1562, in _read_chunk
    self._set_decoded_chars(self._decoder.decode(input_chunk, eof))
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1295, in decode
    output = self.decoder.decode(input, final=final)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_decode'

======================================================================
ERROR: test_issue1395_3 (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 1167, in test_issue1395_3
    reads = txt.read(4)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1733, in read
    eof = not self._read_chunk()
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1562, in _read_chunk
    self._set_decoded_chars(self._decoder.decode(input_chunk, eof))
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1295, in decode
    output = self.decoder.decode(input, final=final)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_decode'

======================================================================
ERROR: test_issue1395_4 (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 1178, in test_issue1395_4
    reads = txt.read(4)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1733, in read
    eof = not self._read_chunk()
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1562, in _read_chunk
    self._set_decoded_chars(self._decoder.decode(input_chunk, eof))
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1295, in decode
    output = self.decoder.decode(input, final=final)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_decode'

======================================================================
ERROR: test_issue1395_5 (test.test_io.TextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\test\test_io.py", line 1186, in test_issue1395_5
    reads = txt.read(4)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1733, in read
    eof = not self._read_chunk()
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1562, in _read_chunk
    self._set_decoded_chars(self._decoder.decode(input_chunk, eof))
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\io.py", line 1295, in decode
    output = self.decoder.decode(input, final=final)
  File "S:\buildbots\python.x64\3.0.nelson-win64\build\lib\encodings\ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
AttributeError: 'NoneType' object has no attribute 'ascii_decode'

sincerely,
 -The Buildbot