Collecting perfbench==0.0.1
  1 location(s) to search for versions of perfbench:
  * https://pypi.python.org/simple/perfbench/
  Getting page https://pypi.python.org/simple/perfbench/
  Analyzing links from page https://pypi.org/simple/perfbench/
    Found link https://files.pythonhosted.org/packages/05/27/704b5ed605edcd1ff6ac82b0205a6baeb8567049b82a44aa5c31f28c40da/perfbench-0.0.1-py3-none-any.whl#sha256=b90387e0c9bdd392e11effce9e690bf6e9ce85bdb7c2c810a6e66339d48525e9 (from https://pypi.org/simple/perfbench/) (requires-python:>=3.3), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/86/cc/170add0164f60c988f1e79e227e5124aa607661f32f37a1551f3a00926bc/perfbench-0.0.1.tar.gz#sha256=98014774c93c27ed1c536a6f17cd9055f9c9d015ae9e59489d5210517bcdb396 (from https://pypi.org/simple/perfbench/) (requires-python:>=3.3), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Downloading https://files.pythonhosted.org/packages/05/27/704b5ed605edcd1ff6ac82b0205a6baeb8567049b82a44aa5c31f28c40da/perfbench-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/05/27/704b5ed605edcd1ff6ac82b0205a6baeb8567049b82a44aa5c31f28c40da/perfbench-0.0.1-py3-none-any.whl#sha256=b90387e0c9bdd392e11effce9e690bf6e9ce85bdb7c2c810a6e66339d48525e9 (from https://pypi.org/simple/perfbench/) (requires-python:>=3.3)
  Saved /tmp/tmp2p8lqozj/perfbench-0.0.1-py3-none-any.whl
Skipping perfbench, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-fc1vg9c4/perfbench