Created temporary directory: /tmp/pip-ephem-wheel-cache-8zlhx8nf
Created temporary directory: /tmp/pip-req-tracker-iqbj2k7y
Created requirements tracker '/tmp/pip-req-tracker-iqbj2k7y'
Created temporary directory: /tmp/pip-wheel-89ecttxk
Collecting pycalver==201812.11b0
  1 location(s) to search for versions of pycalver:
  * https://pypi.org/simple/pycalver/
  Getting page https://pypi.org/simple/pycalver/
  Analyzing links from page https://pypi.org/simple/pycalver/
    Found link https://files.pythonhosted.org/packages/02/bd/61e9d5b9b0d0c72a24e5c3b3d9848e598481f3c4f8f1e0aadc648b13c8d4/pycalver-201809.2b0-py2.py3-none-any.whl#sha256=4ac7e29b90e3939b05dc0d01543b0baba227dfd08bbdcc360913b8e9b9b24575 (from https://pypi.org/simple/pycalver/), version: 201809.2b0
    Found link https://files.pythonhosted.org/packages/c7/62/72f23e11e2329c9b5bb9cb721c4c3bb77e7047e854225bbca4fb8a73c88a/pycalver-201812.11b0-py2.py3-none-any.whl#sha256=6b0fd6fd274f946bbe89704f0a7be84267d93800b26faf017077c85bc39caa27 (from https://pypi.org/simple/pycalver/), version: 201812.11b0
    Found link https://files.pythonhosted.org/packages/8c/96/b12960d0d42a9203d3d1a653a4cc465e4e15b6d991c5a1ff64540fb9a35b/pycalver-201812.11b0.tar.gz#sha256=2f61330c4edcd6abde0d5b989107080099d535ed26118c7fe633286a30d3e048 (from https://pypi.org/simple/pycalver/), version: 201812.11b0
  Using version 201812.11b0 (newest of versions: 201812.11b0)
  Created temporary directory: /tmp/pip-unpack-vm0wftem
  Downloading https://files.pythonhosted.org/packages/c7/62/72f23e11e2329c9b5bb9cb721c4c3bb77e7047e854225bbca4fb8a73c88a/pycalver-201812.11b0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/c7/62/72f23e11e2329c9b5bb9cb721c4c3bb77e7047e854225bbca4fb8a73c88a/pycalver-201812.11b0-py2.py3-none-any.whl#sha256=6b0fd6fd274f946bbe89704f0a7be84267d93800b26faf017077c85bc39caa27 (from https://pypi.org/simple/pycalver/)
  Saved /tmp/tmpn395y124/pycalver-201812.11b0-py2.py3-none-any.whl
  Added pycalver==201812.11b0 from https://files.pythonhosted.org/packages/c7/62/72f23e11e2329c9b5bb9cb721c4c3bb77e7047e854225bbca4fb8a73c88a/pycalver-201812.11b0-py2.py3-none-any.whl#sha256=6b0fd6fd274f946bbe89704f0a7be84267d93800b26faf017077c85bc39caa27 to build tracker '/tmp/pip-req-tracker-iqbj2k7y'
  Removed pycalver==201812.11b0 from https://files.pythonhosted.org/packages/c7/62/72f23e11e2329c9b5bb9cb721c4c3bb77e7047e854225bbca4fb8a73c88a/pycalver-201812.11b0-py2.py3-none-any.whl#sha256=6b0fd6fd274f946bbe89704f0a7be84267d93800b26faf017077c85bc39caa27 from build tracker '/tmp/pip-req-tracker-iqbj2k7y'
Skipping pycalver, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-89ecttxk/pycalver
Removed build tracker '/tmp/pip-req-tracker-iqbj2k7y'