Created temporary directory: /tmp/pip-ephem-wheel-cache-609f7ntb
Created temporary directory: /tmp/pip-req-tracker-9kj2_rgu
Created requirements tracker '/tmp/pip-req-tracker-9kj2_rgu'
Created temporary directory: /tmp/pip-wheel-fezlyg93
Looking in indexes: https://pypi.python.org/simple
Collecting headphones==0.0.0
  1 location(s) to search for versions of headphones:
  * https://pypi.python.org/simple/headphones/
  Getting page https://pypi.python.org/simple/headphones/
  Analyzing links from page https://pypi.org/simple/headphones/
    Found link https://files.pythonhosted.org/packages/60/f0/f8f2d20ec077340ea2e91183b1e86fb5a233555f478c95eb5e497ee69819/headphones-0.0.0-py2.py3-none-any.whl#sha256=1001f9cb01c2db8d56a84dc1904d3c532b52eaceee659f1b2cf7f4284e1c29f2 (from https://pypi.org/simple/headphones/), version: 0.0.0
    Found link https://files.pythonhosted.org/packages/4f/71/5f61d9d7eca097f723109516c0e74ec9ac9c6d9a91e34129fff6148d5a27/headphones-0.0.0.tar.gz#sha256=a18e359913e2a2c40ebf43b40b6a9d9febe3dc0514cf8db7004aeda86e1dd2b3 (from https://pypi.org/simple/headphones/), version: 0.0.0
  Using version 0.0.0 (newest of versions: 0.0.0)
  Created temporary directory: /tmp/pip-unpack-f3kww1nd
  Downloading https://files.pythonhosted.org/packages/60/f0/f8f2d20ec077340ea2e91183b1e86fb5a233555f478c95eb5e497ee69819/headphones-0.0.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/60/f0/f8f2d20ec077340ea2e91183b1e86fb5a233555f478c95eb5e497ee69819/headphones-0.0.0-py2.py3-none-any.whl#sha256=1001f9cb01c2db8d56a84dc1904d3c532b52eaceee659f1b2cf7f4284e1c29f2 (from https://pypi.org/simple/headphones/)
  Saved /tmp/tmp0vpi2qar/headphones-0.0.0-py2.py3-none-any.whl
  Added headphones==0.0.0 from https://files.pythonhosted.org/packages/60/f0/f8f2d20ec077340ea2e91183b1e86fb5a233555f478c95eb5e497ee69819/headphones-0.0.0-py2.py3-none-any.whl#sha256=1001f9cb01c2db8d56a84dc1904d3c532b52eaceee659f1b2cf7f4284e1c29f2 to build tracker '/tmp/pip-req-tracker-9kj2_rgu'
  Removed headphones==0.0.0 from https://files.pythonhosted.org/packages/60/f0/f8f2d20ec077340ea2e91183b1e86fb5a233555f478c95eb5e497ee69819/headphones-0.0.0-py2.py3-none-any.whl#sha256=1001f9cb01c2db8d56a84dc1904d3c532b52eaceee659f1b2cf7f4284e1c29f2 from build tracker '/tmp/pip-req-tracker-9kj2_rgu'
Skipping headphones, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-fezlyg93/headphones
Removed build tracker '/tmp/pip-req-tracker-9kj2_rgu'