Created temporary directory: /tmp/pip-ephem-wheel-cache-ije2jg_v
Created temporary directory: /tmp/pip-req-tracker-dgdzdsdm
Created requirements tracker '/tmp/pip-req-tracker-dgdzdsdm'
Created temporary directory: /tmp/pip-wheel-e4_59a5c
Collecting pycxx==0.0.4
  1 location(s) to search for versions of pycxx:
  * https://pypi.org/simple/pycxx/
  Getting page https://pypi.org/simple/pycxx/
  Analyzing links from page https://pypi.org/simple/pycxx/
    Found link https://files.pythonhosted.org/packages/31/16/73ce340cb2be2aaf9048337432fc0d7e505df872dcc86591ac6098e1aa84/pycxx-0.0.1.tar.gz#sha256=49c668862dc499b70101650ebb2dc1b75adefbb3f9b3ad0af3865117d3a65f28 (from https://pypi.org/simple/pycxx/) (requires-python:>=3.0), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/69/df/a39bb21cf3d57e290b5f91974830fee8a73331f92105f0b612cf8718ad3a/pycxx-0.0.2-py3-none-any.whl#sha256=1854cd6abdbf35cbebbf78d768cfcf72d26cc489fea5b7863d4cde4ba57c5385 (from https://pypi.org/simple/pycxx/) (requires-python:>=3.0), version: 0.0.2
    Found link https://files.pythonhosted.org/packages/e8/cb/e196afcc4cf83a61cab190e065b88956ed8206d212e28ad62385a4d85a5a/pycxx-0.0.2.tar.gz#sha256=d339183beb3984b0e0ea03cf0b90f3e7a34bd55aeda2a779f1bcff6e9e820cc4 (from https://pypi.org/simple/pycxx/) (requires-python:>=3.0), version: 0.0.2
    Found link https://files.pythonhosted.org/packages/33/15/27089bbd1851acc34cc6cb9de4e2110ade6ecf66bc6c785a4db56ac2e5b9/pycxx-0.0.4-py3-none-any.whl#sha256=5bca5b4dc461c689628e80f59488ba5b03fd4849ff0f0cebd9470cce204b3ad9 (from https://pypi.org/simple/pycxx/) (requires-python:>=3.0), version: 0.0.4
    Found link https://files.pythonhosted.org/packages/37/f3/9e65bf90236913a3ade2239f28ea2a956b9841bbe72171c28f5866da8841/pycxx-0.0.4.tar.gz#sha256=97c5ea054364810c2168b7afe7f00c3eccdcee417ff5690cc124fa27f9707c68 (from https://pypi.org/simple/pycxx/) (requires-python:>=3.0), version: 0.0.4
  Using version 0.0.4 (newest of versions: 0.0.4)
  Created temporary directory: /tmp/pip-unpack-sx4zym7t
  Downloading https://files.pythonhosted.org/packages/33/15/27089bbd1851acc34cc6cb9de4e2110ade6ecf66bc6c785a4db56ac2e5b9/pycxx-0.0.4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/33/15/27089bbd1851acc34cc6cb9de4e2110ade6ecf66bc6c785a4db56ac2e5b9/pycxx-0.0.4-py3-none-any.whl#sha256=5bca5b4dc461c689628e80f59488ba5b03fd4849ff0f0cebd9470cce204b3ad9 (from https://pypi.org/simple/pycxx/) (requires-python:>=3.0)
  Saved /tmp/tmpl_oormdo/pycxx-0.0.4-py3-none-any.whl
  Added pycxx==0.0.4 from https://files.pythonhosted.org/packages/33/15/27089bbd1851acc34cc6cb9de4e2110ade6ecf66bc6c785a4db56ac2e5b9/pycxx-0.0.4-py3-none-any.whl#sha256=5bca5b4dc461c689628e80f59488ba5b03fd4849ff0f0cebd9470cce204b3ad9 to build tracker '/tmp/pip-req-tracker-dgdzdsdm'
  Removed pycxx==0.0.4 from https://files.pythonhosted.org/packages/33/15/27089bbd1851acc34cc6cb9de4e2110ade6ecf66bc6c785a4db56ac2e5b9/pycxx-0.0.4-py3-none-any.whl#sha256=5bca5b4dc461c689628e80f59488ba5b03fd4849ff0f0cebd9470cce204b3ad9 from build tracker '/tmp/pip-req-tracker-dgdzdsdm'
Skipping pycxx, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-e4_59a5c/pycxx
Removed build tracker '/tmp/pip-req-tracker-dgdzdsdm'