Created temporary directory: /tmp/pip-ephem-wheel-cache-tkdpjv01
Created temporary directory: /tmp/pip-req-tracker-7iojwtqm
Created requirements tracker '/tmp/pip-req-tracker-7iojwtqm'
Created temporary directory: /tmp/pip-wheel-3kebeni6
Looking in indexes: https://pypi.python.org/simple
Collecting ppx==0.0.1
  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
  Using version 0.0.1 (newest of versions: 0.0.1)
  Created temporary directory: /tmp/pip-unpack-ipucghp_
  Downloading https://files.pythonhosted.org/packages/99/48/722e7a91fef05b034c7d04e3f7f8e52c338049331682ccb1910e91bfaff9/ppx-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/99/48/722e7a91fef05b034c7d04e3f7f8e52c338049331682ccb1910e91bfaff9/ppx-0.0.1-py3-none-any.whl#sha256=da180a433f16914b4547bc28a5258d217ea43e90a4169c2675841b5e6ece2de9 (from https://pypi.org/simple/ppx/)
  Saved /tmp/tmpvx2bx73e/ppx-0.0.1-py3-none-any.whl
  Added ppx==0.0.1 from https://files.pythonhosted.org/packages/99/48/722e7a91fef05b034c7d04e3f7f8e52c338049331682ccb1910e91bfaff9/ppx-0.0.1-py3-none-any.whl#sha256=da180a433f16914b4547bc28a5258d217ea43e90a4169c2675841b5e6ece2de9 to build tracker '/tmp/pip-req-tracker-7iojwtqm'
  Removed ppx==0.0.1 from https://files.pythonhosted.org/packages/99/48/722e7a91fef05b034c7d04e3f7f8e52c338049331682ccb1910e91bfaff9/ppx-0.0.1-py3-none-any.whl#sha256=da180a433f16914b4547bc28a5258d217ea43e90a4169c2675841b5e6ece2de9 from build tracker '/tmp/pip-req-tracker-7iojwtqm'
Skipping ppx, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-3kebeni6/ppx
Removed build tracker '/tmp/pip-req-tracker-7iojwtqm'