Created temporary directory: /tmp/pip-ephem-wheel-cache-nr34fdpt
Created temporary directory: /tmp/pip-req-tracker-94viwb8x
Created requirements tracker '/tmp/pip-req-tracker-94viwb8x'
Created temporary directory: /tmp/pip-wheel-7f7t3mnu
Collecting xtal==0.9.0
  1 location(s) to search for versions of xtal:
  * https://pypi.org/simple/xtal/
  Getting page https://pypi.org/simple/xtal/
  Analyzing links from page https://pypi.org/simple/xtal/
    Found link https://files.pythonhosted.org/packages/f8/49/a572ea4bd8943fe27ddf98a0ccb142e7f15f74dbf764d928c76c2ba80ee1/xtal-0.9.0-py3-none-any.whl#sha256=6036a5981c0ee988f65e632fe58c0b4376e990d46fe4f5734a5d05873df2831f (from https://pypi.org/simple/xtal/), version: 0.9.0
    Found link https://files.pythonhosted.org/packages/6d/d7/a3255f3288a00842f090ea4cfe62e7130ab6f01bbccb3de6832763ffe53c/xtal-0.9.0.tar.gz#sha256=b9b7549fed31a0dce878f941a8df6126da285635ade11590e7ee4a8a14a5f5e8 (from https://pypi.org/simple/xtal/), version: 0.9.0
  Using version 0.9.0 (newest of versions: 0.9.0)
  Created temporary directory: /tmp/pip-unpack-b_q78dsf
  Downloading https://files.pythonhosted.org/packages/f8/49/a572ea4bd8943fe27ddf98a0ccb142e7f15f74dbf764d928c76c2ba80ee1/xtal-0.9.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/f8/49/a572ea4bd8943fe27ddf98a0ccb142e7f15f74dbf764d928c76c2ba80ee1/xtal-0.9.0-py3-none-any.whl#sha256=6036a5981c0ee988f65e632fe58c0b4376e990d46fe4f5734a5d05873df2831f (from https://pypi.org/simple/xtal/)
  Saved /tmp/tmp8cncxmrt/xtal-0.9.0-py3-none-any.whl
  Added xtal==0.9.0 from https://files.pythonhosted.org/packages/f8/49/a572ea4bd8943fe27ddf98a0ccb142e7f15f74dbf764d928c76c2ba80ee1/xtal-0.9.0-py3-none-any.whl#sha256=6036a5981c0ee988f65e632fe58c0b4376e990d46fe4f5734a5d05873df2831f to build tracker '/tmp/pip-req-tracker-94viwb8x'
  Removed xtal==0.9.0 from https://files.pythonhosted.org/packages/f8/49/a572ea4bd8943fe27ddf98a0ccb142e7f15f74dbf764d928c76c2ba80ee1/xtal-0.9.0-py3-none-any.whl#sha256=6036a5981c0ee988f65e632fe58c0b4376e990d46fe4f5734a5d05873df2831f from build tracker '/tmp/pip-req-tracker-94viwb8x'
Skipping xtal, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-7f7t3mnu/xtal
Removed build tracker '/tmp/pip-req-tracker-94viwb8x'