The attempt to merge lp:~gmb/zope.testing/make-skips-work-bug-1019275 into lp:~launchpad/zope.testing/3.9.4-fork failed. Below is the output from the failed tests.

Creating directory '/home/tarmac/repos/zope.testing/3.9.4-fork/bin'.
Creating directory '/home/tarmac/repos/zope.testing/3.9.4-fork/parts'.
Creating directory '/home/tarmac/repos/zope.testing/3.9.4-fork/eggs'.
Creating directory '/home/tarmac/repos/zope.testing/3.9.4-fork/develop-eggs'.
Getting distribution for 'setuptools'.
Got setuptools 0.6c12dev-r88846.
Generated script '/home/tarmac/repos/zope.testing/3.9.4-fork/bin/buildout'.
Develop: '/home/tarmac/repos/zope.testing/3.9.4-fork/.'
Getting distribution for 'zc.recipe.testrunner'.
Got zc.recipe.testrunner 1.4.0.
Getting distribution for 'z3c.recipe.scripts>=1.0.0'.
Got z3c.recipe.scripts 1.0.1.
Getting distribution for 'zope.testrunner'.
Got zope.testrunner 4.0.4.
Getting distribution for 'zc.recipe.egg>=1.3.0'.
Got zc.recipe.egg 1.3.2.
Getting distribution for 'zope.interface'.
********************************************************************************
WARNING:

        An optional code optimization (C extension) could not be compiled.

        Optimizations for this package will not be available!
()
command 'gcc' failed with exit status 1
********************************************************************************
Got zope.interface 4.0.1.
Getting distribution for 'zope.exceptions'.
Got zope.exceptions 4.0.0.1.
Installing test.
Generated script '/home/tarmac/repos/zope.testing/3.9.4-fork/bin/test'.
Running zope.testing.testrunner.test_testresult.TestLayer tests:
  Set up zope.testing.testrunner.test_testresult.TestLayer in 0.000 seconds.
  Ran 1 tests with 0 failures and 0 errors in 0.000 seconds.
Running zope.testrunner.layer.UnitTests tests:
  Tear down zope.testing.testrunner.test_testresult.TestLayer in 0.000 seconds.
  Set up zope.testrunner.layer.UnitTests in 0.000 seconds.


Error in test test_SubunitOutputFormatter_adds_timestamp_to_skip_if_verbose (zope.testing.testrunner.test_testresult.TestOutputFormatters)
Traceback (most recent call last):
  File "/usr/lib/python2.7/unittest/case.py", line 327, in run
    testMethod()
  File "/home/tarmac/repos/zope.testing/3.9.4-fork/src/zope/testing/testrunner/test_testresult.py", line 128, in test_SubunitOutputFormatter_adds_timestamp_to_skip_if_verbose
    options=MockOptions(verbose=3), stream=stream)
  File "/home/tarmac/repos/zope.testing/3.9.4-fork/src/zope/testing/testrunner/formatter.py", line 726, in __init__
    raise Exception("Requires subunit 0.0.5 or better")
Exception: Requires subunit 0.0.5 or better



Error in test test_SubunitOutputFormatter_outputs_skip (zope.testing.testrunner.test_testresult.TestOutputFormatters)
Traceback (most recent call last):
  File "/usr/lib/python2.7/unittest/case.py", line 327, in run
    testMethod()
  File "/home/tarmac/repos/zope.testing/3.9.4-fork/src/zope/testing/testrunner/test_testresult.py", line 115, in test_SubunitOutputFormatter_outputs_skip
    options=MockOptions(), stream=stream)
  File "/home/tarmac/repos/zope.testing/3.9.4-fork/src/zope/testing/testrunner/formatter.py", line 726, in __init__
    raise Exception("Requires subunit 0.0.5 or better")
Exception: Requires subunit 0.0.5 or better

  Ran 244 tests with 0 failures and 2 errors in 10.077 seconds.
Tearing down left over layers:
  Tear down zope.testrunner.layer.UnitTests in 0.000 seconds.
Total: 245 tests, 0 failures, 2 errors in 10.094 seconds.

Downloading http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11-py2.7.egg
warning: no files found matching 'sampletests' under directory 'src'
zip_safe flag not set; analyzing archive contents...
package init file 'src/zope/testrunner/testrunner-ex/__init__.py' not found (or not a regular file)
Creating missing __init__.py for zope.testrunner.testrunner-ex
unable to execute gcc: No such file or directory