Created temporary directory: /tmp/pip-ephem-wheel-cache-2g0rrxu3
Created temporary directory: /tmp/pip-req-tracker-2dtiviza
Created requirements tracker '/tmp/pip-req-tracker-2dtiviza'
Created temporary directory: /tmp/pip-wheel-x1pmv2rj
Looking in indexes: https://pypi.python.org/simple
Collecting xbr==18.11.1
  1 location(s) to search for versions of xbr:
  * https://pypi.python.org/simple/xbr/
  Getting page https://pypi.python.org/simple/xbr/
  Analyzing links from page https://pypi.org/simple/xbr/
    Found link https://files.pythonhosted.org/packages/76/77/21c45870196d6a4ebbb8c4aa112c57bc8bbef4f8aaecf6875c1597a6d077/xbr-18.11.1-py2.py3-none-any.whl#sha256=5c87bd65c6f93d8e1b5650bb57079529a6df8aeabb443372b10539c01ba9b2bc (from https://pypi.org/simple/xbr/), version: 18.11.1
    Found link https://files.pythonhosted.org/packages/e1/a5/7de6e6fa4894a2fb095b0069db76e059c40d73621ff004d48a1c651edd8b/xbr-18.11.1.tar.gz#sha256=8b94bbb78d5d69424206e7e0fecc23b7c91eeba869f492a01879d37c938b1ba7 (from https://pypi.org/simple/xbr/), version: 18.11.1
  Using version 18.11.1 (newest of versions: 18.11.1)
  Created temporary directory: /tmp/pip-unpack-krlhgslz
  Downloading https://files.pythonhosted.org/packages/76/77/21c45870196d6a4ebbb8c4aa112c57bc8bbef4f8aaecf6875c1597a6d077/xbr-18.11.1-py2.py3-none-any.whl (180kB)
  Downloading from URL https://files.pythonhosted.org/packages/76/77/21c45870196d6a4ebbb8c4aa112c57bc8bbef4f8aaecf6875c1597a6d077/xbr-18.11.1-py2.py3-none-any.whl#sha256=5c87bd65c6f93d8e1b5650bb57079529a6df8aeabb443372b10539c01ba9b2bc (from https://pypi.org/simple/xbr/)
  Saved /tmp/tmp6q0jvtja/xbr-18.11.1-py2.py3-none-any.whl
  Added xbr==18.11.1 from https://files.pythonhosted.org/packages/76/77/21c45870196d6a4ebbb8c4aa112c57bc8bbef4f8aaecf6875c1597a6d077/xbr-18.11.1-py2.py3-none-any.whl#sha256=5c87bd65c6f93d8e1b5650bb57079529a6df8aeabb443372b10539c01ba9b2bc to build tracker '/tmp/pip-req-tracker-2dtiviza'
  Removed xbr==18.11.1 from https://files.pythonhosted.org/packages/76/77/21c45870196d6a4ebbb8c4aa112c57bc8bbef4f8aaecf6875c1597a6d077/xbr-18.11.1-py2.py3-none-any.whl#sha256=5c87bd65c6f93d8e1b5650bb57079529a6df8aeabb443372b10539c01ba9b2bc from build tracker '/tmp/pip-req-tracker-2dtiviza'
Skipping xbr, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-x1pmv2rj/xbr
Removed build tracker '/tmp/pip-req-tracker-2dtiviza'