Created temporary directory: /tmp/pip-ephem-wheel-cache-p8n1b_2c
Created temporary directory: /tmp/pip-req-tracker-wbwtofb0
Created requirements tracker '/tmp/pip-req-tracker-wbwtofb0'
Created temporary directory: /tmp/pip-wheel-o95rzxlj
Looking in indexes: https://pypi.python.org/simple
Collecting z3c.caching==2.1
  1 location(s) to search for versions of z3c.caching:
  * https://pypi.python.org/simple/z3c-caching/
  Getting page https://pypi.python.org/simple/z3c-caching/
  Analyzing links from page https://pypi.org/simple/z3c-caching/
    Found link https://files.pythonhosted.org/packages/75/96/df000cfe249d05f9f158560265e8f8e589b52c56c64be570505cb0494db2/z3c.caching-1.0b1.zip#sha256=740051c31a040bced37cb11519ee256bb54eb8de3fd1c3ff5200e55c820bd396 (from https://pypi.org/simple/z3c-caching/), version: 1.0b1
    Found link https://files.pythonhosted.org/packages/fc/eb/b2e37787e674637f30fa63ca867db2568d75ad8b52c8318b7dafe3d633d0/z3c.caching-2.0a1.tar.gz#sha256=ff75ba246d59227bd5d90f038dded04ac82bad4af43954994c8109d9dfb66931 (from https://pypi.org/simple/z3c-caching/), version: 2.0a1
    Found link https://files.pythonhosted.org/packages/b8/f1/3df95f0b404909797d741a6fc1da338d600556415473d9fc6030ad15cb5b/z3c.caching-2.0.tar.gz#sha256=948813aaf7ad1b72a20aac5929e71109c753aa7c1fa2c143ba512f0448dcca10 (from https://pypi.org/simple/z3c-caching/), version: 2.0
    Found link https://files.pythonhosted.org/packages/a9/9c/c861f3970004d04ac4a8baf127f3d1a0e63dd24a65761ab4f46b93871cee/z3c.caching-2.1-py2.py3-none-any.whl#sha256=e4e5b7d5fad8f4ebb2ff04a7f4307d8f35caadd16fb9271b03bd166d8079f8ea (from https://pypi.org/simple/z3c-caching/), version: 2.1
    Found link https://files.pythonhosted.org/packages/c1/88/5b55255a45dafcb4cf2dcd837578b18632c785ba87201dd8d88d2bfccede/z3c.caching-2.1.tar.gz#sha256=ef7d0735e3fe101b72bd25afa8137fb020c276c4e8b4a17f8270b43d537e74f1 (from https://pypi.org/simple/z3c-caching/), version: 2.1
  Using version 2.1 (newest of versions: 2.1)
  Created temporary directory: /tmp/pip-unpack-g9moi0np
  Downloading https://files.pythonhosted.org/packages/a9/9c/c861f3970004d04ac4a8baf127f3d1a0e63dd24a65761ab4f46b93871cee/z3c.caching-2.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/a9/9c/c861f3970004d04ac4a8baf127f3d1a0e63dd24a65761ab4f46b93871cee/z3c.caching-2.1-py2.py3-none-any.whl#sha256=e4e5b7d5fad8f4ebb2ff04a7f4307d8f35caadd16fb9271b03bd166d8079f8ea (from https://pypi.org/simple/z3c-caching/)
  Saved /tmp/tmpkrh1g0y8/z3c.caching-2.1-py2.py3-none-any.whl
  Added z3c.caching==2.1 from https://files.pythonhosted.org/packages/a9/9c/c861f3970004d04ac4a8baf127f3d1a0e63dd24a65761ab4f46b93871cee/z3c.caching-2.1-py2.py3-none-any.whl#sha256=e4e5b7d5fad8f4ebb2ff04a7f4307d8f35caadd16fb9271b03bd166d8079f8ea to build tracker '/tmp/pip-req-tracker-wbwtofb0'
  Removed z3c.caching==2.1 from https://files.pythonhosted.org/packages/a9/9c/c861f3970004d04ac4a8baf127f3d1a0e63dd24a65761ab4f46b93871cee/z3c.caching-2.1-py2.py3-none-any.whl#sha256=e4e5b7d5fad8f4ebb2ff04a7f4307d8f35caadd16fb9271b03bd166d8079f8ea from build tracker '/tmp/pip-req-tracker-wbwtofb0'
Skipping z3c.caching, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-o95rzxlj/z3c.caching
Removed build tracker '/tmp/pip-req-tracker-wbwtofb0'