Created temporary directory: /tmp/pip-ephem-wheel-cache-yh7wg2xo
Created temporary directory: /tmp/pip-req-tracker-3yc4z638
Created requirements tracker '/tmp/pip-req-tracker-3yc4z638'
Created temporary directory: /tmp/pip-wheel-61onkchw
Collecting shifterator==0.1.1
  1 location(s) to search for versions of shifterator:
  * https://pypi.org/simple/shifterator/
  Getting page https://pypi.org/simple/shifterator/
  Analyzing links from page https://pypi.org/simple/shifterator/
    Found link https://files.pythonhosted.org/packages/65/8a/ff963d6f9056a4d5078e7d8a72e41ccb59701cf6c0476b6bd05ae0a94d05/shifterator-0.1.1-py3-none-any.whl#sha256=b9a43a3fd83b95fd50551ebbcea24f6988188382847fb98dd15735556b2d5a7d (from https://pypi.org/simple/shifterator/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/75/6a/2a5c1fa4b0c02d1fec47f28987cdcd6371983e0f9b84587a0118661bcccb/shifterator-0.1.1.tar.gz#sha256=6bbc7d5bfafd531b7fc8ed629c718cef198c1031126f5094ece9fc5165d0e65b (from https://pypi.org/simple/shifterator/), version: 0.1.1
  Using version 0.1.1 (newest of versions: 0.1.1)
  Created temporary directory: /tmp/pip-unpack-qwrmrv2n
  Downloading https://files.pythonhosted.org/packages/65/8a/ff963d6f9056a4d5078e7d8a72e41ccb59701cf6c0476b6bd05ae0a94d05/shifterator-0.1.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/65/8a/ff963d6f9056a4d5078e7d8a72e41ccb59701cf6c0476b6bd05ae0a94d05/shifterator-0.1.1-py3-none-any.whl#sha256=b9a43a3fd83b95fd50551ebbcea24f6988188382847fb98dd15735556b2d5a7d (from https://pypi.org/simple/shifterator/)
  Saved /tmp/tmprax8jdgq/shifterator-0.1.1-py3-none-any.whl
  Added shifterator==0.1.1 from https://files.pythonhosted.org/packages/65/8a/ff963d6f9056a4d5078e7d8a72e41ccb59701cf6c0476b6bd05ae0a94d05/shifterator-0.1.1-py3-none-any.whl#sha256=b9a43a3fd83b95fd50551ebbcea24f6988188382847fb98dd15735556b2d5a7d to build tracker '/tmp/pip-req-tracker-3yc4z638'
  Removed shifterator==0.1.1 from https://files.pythonhosted.org/packages/65/8a/ff963d6f9056a4d5078e7d8a72e41ccb59701cf6c0476b6bd05ae0a94d05/shifterator-0.1.1-py3-none-any.whl#sha256=b9a43a3fd83b95fd50551ebbcea24f6988188382847fb98dd15735556b2d5a7d from build tracker '/tmp/pip-req-tracker-3yc4z638'
Skipping shifterator, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-61onkchw/shifterator
Removed build tracker '/tmp/pip-req-tracker-3yc4z638'