Created temporary directory: /tmp/pip-ephem-wheel-cache-lghrexaz
Created temporary directory: /tmp/pip-req-tracker-gniqyamb
Created requirements tracker '/tmp/pip-req-tracker-gniqyamb'
Created temporary directory: /tmp/pip-wheel-lvnj7s5m
Looking in indexes: https://pypi.python.org/simple
Collecting ppx==0.1.0
  1 location(s) to search for versions of ppx:
  * https://pypi.python.org/simple/ppx/
  Getting page https://pypi.python.org/simple/ppx/
  Analyzing links from page https://pypi.org/simple/ppx/
    Found link https://files.pythonhosted.org/packages/99/48/722e7a91fef05b034c7d04e3f7f8e52c338049331682ccb1910e91bfaff9/ppx-0.0.1-py3-none-any.whl#sha256=da180a433f16914b4547bc28a5258d217ea43e90a4169c2675841b5e6ece2de9 (from https://pypi.org/simple/ppx/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/5c/c7/05197432babb574366e457ae639e31cfc96fbe0947190df43ba0a111d9f1/ppx-0.0.1.tar.gz#sha256=52ff68a86d9af69a080beaa075b96a7cb52f6fdac771c1f76091521d305585b7 (from https://pypi.org/simple/ppx/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/da/2b/0719c2eb841b84ef3ca11ad0ded418069faf5101498e57923858eede774e/ppx-0.1.0-py3-none-any.whl#sha256=9c53f2958e79735057a5d0d86c3042d3b67026ac05f4b6c73a55b95ff2d57560 (from https://pypi.org/simple/ppx/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/e8/64/02cd5627c7dde3d27e94fa4a91e3c5f6c92ed3ce4cd1b6cec8c0d76dfd50/ppx-0.1.0.tar.gz#sha256=d98dabd31fd1579a7a9edf679269752fb3282f50b08298f000e1d78f29c901ad (from https://pypi.org/simple/ppx/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Created temporary directory: /tmp/pip-unpack-at9u3x0p
  Downloading https://files.pythonhosted.org/packages/da/2b/0719c2eb841b84ef3ca11ad0ded418069faf5101498e57923858eede774e/ppx-0.1.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/da/2b/0719c2eb841b84ef3ca11ad0ded418069faf5101498e57923858eede774e/ppx-0.1.0-py3-none-any.whl#sha256=9c53f2958e79735057a5d0d86c3042d3b67026ac05f4b6c73a55b95ff2d57560 (from https://pypi.org/simple/ppx/)
  Saved /tmp/tmpklb3ukp0/ppx-0.1.0-py3-none-any.whl
  Added ppx==0.1.0 from https://files.pythonhosted.org/packages/da/2b/0719c2eb841b84ef3ca11ad0ded418069faf5101498e57923858eede774e/ppx-0.1.0-py3-none-any.whl#sha256=9c53f2958e79735057a5d0d86c3042d3b67026ac05f4b6c73a55b95ff2d57560 to build tracker '/tmp/pip-req-tracker-gniqyamb'
  Removed ppx==0.1.0 from https://files.pythonhosted.org/packages/da/2b/0719c2eb841b84ef3ca11ad0ded418069faf5101498e57923858eede774e/ppx-0.1.0-py3-none-any.whl#sha256=9c53f2958e79735057a5d0d86c3042d3b67026ac05f4b6c73a55b95ff2d57560 from build tracker '/tmp/pip-req-tracker-gniqyamb'
Skipping ppx, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-lvnj7s5m/ppx
Removed build tracker '/tmp/pip-req-tracker-gniqyamb'