C:\src\infra\build>python scripts\slave\unittests\zip_build_test.py
Building Coverage 3.7.1
Error while building :(
running bdist_egg
running egg_info
writing coverage.egg-info\PKG-INFO
writing top-level names to coverage.egg-info\top_level.txt
writing dependency_links to coverage.egg-info\dependency_links.txt
writing entry points to coverage.egg-info\entry_points.txt
reading manifest file 'coverage.egg-info\SOURCES.txt'
reading manifest template 'MANIFEST.in'
writing manifest file 'coverage.egg-info\SOURCES.txt'
installing library code to build\bdist.win32\egg
running install_lib
running build_py
running build_ext
building 'coverage.tracer' extension

warning: no files found matching '*' under directory 'tests'
warning: no previously-included files matching '*.pyc' found anywhere in distribution
Traceback (most recent call last):
  File "setup.py", line 197, in <module>
    main()
  File "setup.py", line 194, in main
    setup(**setup_args)
  File "C:\src\depot_tools\python276_bin\lib\distutils\core.py", line 152, in setup
    dist.run_commands()
  File "C:\src\depot_tools\python276_bin\lib\distutils\dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "C:\src\depot_tools\python276_bin\lib\distutils\dist.py", line 972, in run_command
    cmd_obj.run()
  File "C:\src\depot_tools\python276_bin\lib\site-packages\setuptools-1.3.2-py2.7.egg\setuptools\command\bdist_egg.py", line 185, in run
  File "C:\src\depot_tools\python276_bin\lib\site-packages\setuptools-1.3.2-py2.7.egg\setuptools\command\bdist_egg.py", line 171, in call_command
  File "C:\src\depot_tools\python276_bin\lib\distutils\cmd.py", line 326, in run_command
    self.distribution.run_command(command)
  File "C:\src\depot_tools\python276_bin\lib\distutils\dist.py", line 972, in run_command
    cmd_obj.run()
  File "C:\src\depot_tools\python276_bin\lib\site-packages\setuptools-1.3.2-py2.7.egg\setuptools\command\install_lib.py", line 20, in run
  File "C:\src\depot_tools\python276_bin\lib\distutils\command\install_lib.py", line 111, in build
    self.run_command('build_ext')
  File "C:\src\depot_tools\python276_bin\lib\distutils\cmd.py", line 326, in run_command
    self.distribution.run_command(command)
  File "C:\src\depot_tools\python276_bin\lib\distutils\dist.py", line 972, in run_command
    cmd_obj.run()
  File "setup.py", line 138, in run
    build_ext.run(self)
  File "C:\src\depot_tools\python276_bin\lib\distutils\command\build_ext.py", line 337, in run
    self.build_extensions()
  File "C:\src\depot_tools\python276_bin\lib\distutils\command\build_ext.py", line 446, in build_extensions
    self.build_extension(ext)
  File "setup.py", line 149, in build_extension
    raise BuildFailed()
__main__.BuildFailed


I'm not sure what's wrong, but your system seems incapable of building
python extensions. Please fix that by installing a Python with headers
and the approprite command-line build tools for your platform.