Cleaning up...  Removing temporary dir /mnt/c/Users/zhanghs/enve/build...Command /mnt/c/Users/zhanghs/enve/bin/python -c "import setuptools, tokenize;__file__='/mnt/c/Users/zhanghs/enve/build/Pillow/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-Rto_Am-record/install-record.txt --single-version-externally-managed --compile --install-headers /mnt/c/Users/zhanghs/enve/include/site/python2.7 failed with error code 1 in /mnt/c/Users/zhanghs/enve/build/PillowException information:Traceback (most recent call last):  File "/mnt/c/Users/zhanghs/enve/local/lib/python2.7/site-packages/pip/basecommand.py", line 122, in main    status = self.run(options, args)  File "/mnt/c/Users/zhanghs/enve/local/lib/python2.7/site-packages/pip/commands/install.py", line 283, in run    requirement_set.install(install_options, global_options, root=options.root_path)  File "/mnt/c/Users/zhanghs/enve/local/lib/python2.7/site-packages/pip/req.py", line 1435, in install    requirement.install(install_options, global_options, *args, **kwargs)  File "/mnt/c/Users/zhanghs/enve/local/lib/python2.7/site-packages/pip/req.py", line 706, in install    cwd=self.source_dir, filter_stdout=self._filter_install, show_stdout=False)  File "/mnt/c/Users/zhanghs/enve/local/lib/python2.7/site-packages/pip/util.py", line 697, in call_subprocess    % (command_desc, proc.returncode, cwd))InstallationError: Command /mnt/c/Users/zhanghs/enve/bin/python -c "import setuptools, tokenize;__file__='/mnt/c/Users/zhanghs/enve/build/Pillow/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-Rto_Am-record/install-record.txt --single-version-externally-managed --compile --install-headers /mnt/c/Users/zhanghs/enve/include/site/python2.7 failed with error code 1 in /mnt/c/Users/zhanghs/enve/build/Pillowtail: unrecognized file system type 0x53464846 for ‘/root/.pip/pip.log’. please report this to bug-coreutils@gnu.org. reverting to pollingSent from YoMail