Created temporary directory: /tmp/pip-ephem-wheel-cache-m6b0tv0s
Created temporary directory: /tmp/pip-req-tracker-qx5phdb6
Created requirements tracker '/tmp/pip-req-tracker-qx5phdb6'
Created temporary directory: /tmp/pip-wheel-43_8lcml
Looking in indexes: https://pypi.python.org/simple
Collecting PyFFI==2.2.3
  1 location(s) to search for versions of PyFFI:
  * https://pypi.python.org/simple/pyffi/
  Getting page https://pypi.python.org/simple/pyffi/
  Analyzing links from page https://pypi.org/simple/pyffi/
    Found link https://files.pythonhosted.org/packages/f9/6d/c63e1634cbdd05fc333167532ca86c47079a49bdc4fc42c7ee6f296ca9cd/PyFFI-2.2.2.zip#sha256=d4516db7daf12ab5d81f024202a695664274f2beee4798ed4f9a0946ed407e6b (from https://pypi.org/simple/pyffi/), version: 2.2.2
    Found link https://files.pythonhosted.org/packages/88/86/5032402227f1a9c40b44bb8163e0771503f98e4e6c58165145bb3acb88cb/PyFFI-2.2.3-py2.py3-none-any.whl#sha256=f7cbb1fc119e5005eccccc50eebfa046fea53dcdf2105817b62e5ea6d3cb9575 (from https://pypi.org/simple/pyffi/), version: 2.2.3
    Found link https://files.pythonhosted.org/packages/ef/8d/2a427cc7adaafeffc7fdf3c15c28c8898662ac6fd94b798598288adfb589/PyFFI-2.2.3.tar.gz#sha256=175827047e0f45e359aa401115d408030c5a2151938de751df9ab1d6c5b3de9d (from https://pypi.org/simple/pyffi/), version: 2.2.3
  Using version 2.2.3 (newest of versions: 2.2.3)
  Created temporary directory: /tmp/pip-unpack-vinz8mm6
  Downloading https://files.pythonhosted.org/packages/88/86/5032402227f1a9c40b44bb8163e0771503f98e4e6c58165145bb3acb88cb/PyFFI-2.2.3-py2.py3-none-any.whl (550kB)
  Downloading from URL https://files.pythonhosted.org/packages/88/86/5032402227f1a9c40b44bb8163e0771503f98e4e6c58165145bb3acb88cb/PyFFI-2.2.3-py2.py3-none-any.whl#sha256=f7cbb1fc119e5005eccccc50eebfa046fea53dcdf2105817b62e5ea6d3cb9575 (from https://pypi.org/simple/pyffi/)
  Saved /tmp/tmpad60ppus/PyFFI-2.2.3-py2.py3-none-any.whl
  Added PyFFI==2.2.3 from https://files.pythonhosted.org/packages/88/86/5032402227f1a9c40b44bb8163e0771503f98e4e6c58165145bb3acb88cb/PyFFI-2.2.3-py2.py3-none-any.whl#sha256=f7cbb1fc119e5005eccccc50eebfa046fea53dcdf2105817b62e5ea6d3cb9575 to build tracker '/tmp/pip-req-tracker-qx5phdb6'
  Removed PyFFI==2.2.3 from https://files.pythonhosted.org/packages/88/86/5032402227f1a9c40b44bb8163e0771503f98e4e6c58165145bb3acb88cb/PyFFI-2.2.3-py2.py3-none-any.whl#sha256=f7cbb1fc119e5005eccccc50eebfa046fea53dcdf2105817b62e5ea6d3cb9575 from build tracker '/tmp/pip-req-tracker-qx5phdb6'
Skipping PyFFI, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-43_8lcml/PyFFI
Removed build tracker '/tmp/pip-req-tracker-qx5phdb6'