Created temporary directory: /tmp/pip-ephem-wheel-cache-nql8peas
Created temporary directory: /tmp/pip-req-tracker-iv2omtyc
Created requirements tracker '/tmp/pip-req-tracker-iv2omtyc'
Created temporary directory: /tmp/pip-wheel-bjhtlgpk
Looking in indexes: https://pypi.python.org/simple
Collecting xtick==0.0.2a1
  1 location(s) to search for versions of xtick:
  * https://pypi.python.org/simple/xtick/
  Getting page https://pypi.python.org/simple/xtick/
  Analyzing links from page https://pypi.org/simple/xtick/
    Found link https://files.pythonhosted.org/packages/a3/b2/1318381eaba2f8852479832a997d0e28f828e04d655da4f1d6fccacdcb8d/xtick-0.0.1-py3-none-any.whl#sha256=4886838906f961d422641c3f3db57b1663287508b1306fa137333582c0ea4206 (from https://pypi.org/simple/xtick/), version: 0.0.1
    Skipping link https://files.pythonhosted.org/packages/5f/66/41fe021b51367131782ff0e257b39c7424ad7ae80a919e43ec299eab8560/xtick-0.0.1-py3.6.egg#sha256=4901dc34f696f3a3798cfffa0626908a44baab674f92c1d986344a4e25d73f13 (from https://pypi.org/simple/xtick/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/87/13/fd2f71f6e5645e4a51c149784299fee8c76d9d0fe5ba9aee371baba34fd9/xtick-0.0.1.tar.gz#sha256=7133c9ff458acf63f0fc7f1d01572c4df70f5d74f4705ffd0db633b9b3d2a1eb (from https://pypi.org/simple/xtick/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/f5/4e/cc42f1c03f03aa863fe82788118d9d0e4b6eeac281d72e93a77c3ae4d7b7/xtick-0.0.2a0-py3-none-any.whl#sha256=0bb19b82a9d1647bbf331039b13eae05830c8b66510ee64faf482e693a743266 (from https://pypi.org/simple/xtick/), version: 0.0.2a0
    Found link https://files.pythonhosted.org/packages/35/f2/a58a68710a1212256fe46cd4424c5e302bef6955c245372c6be5622f2c74/xtick-0.0.2a0.tar.gz#sha256=66fd2f20c7917699d106d09623ef839cc9bca71eae0bdef2f23f4c9a0d48a9ff (from https://pypi.org/simple/xtick/), version: 0.0.2a0
    Found link https://files.pythonhosted.org/packages/cd/34/d8b692ae82e3dac74ea2784b2f776712d533193b15f18803e33d1d785f1e/xtick-0.0.2a1-py3-none-any.whl#sha256=3b4851701f74e77df1d0cb9b129b453d6964fc8bea66d4b86fd7228400588ffa (from https://pypi.org/simple/xtick/), version: 0.0.2a1
    Found link https://files.pythonhosted.org/packages/8c/3c/b792a984f5825e455adc6ac257c902be2b320ee3191e1492bb15128e1857/xtick-0.0.2a1.tar.gz#sha256=853601347b3fce8c4abbcfc153729b40f640a155fd32b9fe827741d13c74eafd (from https://pypi.org/simple/xtick/), version: 0.0.2a1
  Using version 0.0.2a1 (newest of versions: 0.0.2a1)
  Created temporary directory: /tmp/pip-unpack-aomy66m_
  Downloading https://files.pythonhosted.org/packages/cd/34/d8b692ae82e3dac74ea2784b2f776712d533193b15f18803e33d1d785f1e/xtick-0.0.2a1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/cd/34/d8b692ae82e3dac74ea2784b2f776712d533193b15f18803e33d1d785f1e/xtick-0.0.2a1-py3-none-any.whl#sha256=3b4851701f74e77df1d0cb9b129b453d6964fc8bea66d4b86fd7228400588ffa (from https://pypi.org/simple/xtick/)
  Saved /tmp/tmpgi2fafq_/xtick-0.0.2a1-py3-none-any.whl
  Added xtick==0.0.2a1 from https://files.pythonhosted.org/packages/cd/34/d8b692ae82e3dac74ea2784b2f776712d533193b15f18803e33d1d785f1e/xtick-0.0.2a1-py3-none-any.whl#sha256=3b4851701f74e77df1d0cb9b129b453d6964fc8bea66d4b86fd7228400588ffa to build tracker '/tmp/pip-req-tracker-iv2omtyc'
  Removed xtick==0.0.2a1 from https://files.pythonhosted.org/packages/cd/34/d8b692ae82e3dac74ea2784b2f776712d533193b15f18803e33d1d785f1e/xtick-0.0.2a1-py3-none-any.whl#sha256=3b4851701f74e77df1d0cb9b129b453d6964fc8bea66d4b86fd7228400588ffa from build tracker '/tmp/pip-req-tracker-iv2omtyc'
Skipping xtick, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-bjhtlgpk/xtick
Removed build tracker '/tmp/pip-req-tracker-iv2omtyc'