Command "/usr/bin/python3.6 -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-dugpfd0a/cffi/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-22z4d3vs/install-record.txt --single-version-externally-managed --prefix /tmp/pip-build-env-4rhn7_ix --compile" failed with error code 1 in /tmp/pip-install-dugpfd0a/cffi/ You are using pip version 18.1, however version 19.1.1 is available. You should consider upgrading via the 'pip install --upgrade pip' command.
---------------------------------------- Command "/usr/bin/python3.6 -m pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-4rhn7_ix --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools>=18.5 wheel "cffi>=1.8,!=1.11.3; python_implementation != 'PyPy'"" failed with error code 1 in None You are using pip version 18.1, however version 19.1.1 is available. You should consider upgrading via the 'pip install --upgrade pip' command. ERROR: Job failed: exit code 1
