Collecting crossenv==0.3
  1 location(s) to search for versions of crossenv:
  * https://pypi.python.org/simple/crossenv/
  Getting page https://pypi.python.org/simple/crossenv/
  Analyzing links from page https://pypi.python.org/simple/crossenv/
    Found link https://pypi.python.org/packages/56/0a/1e7dc176d5b4f7d856b0d23efd2b5e96eaa4446168eb725059c396c5c5f9/crossenv-0.1-py3-none-any.whl#md5=df55edeba1d2116f4f9944401fa11a98 (from https://pypi.python.org/simple/crossenv/) (requires-python:>=3.4), version: 0.1
    Found link https://pypi.python.org/packages/10/14/9d66bd9949775c2b1e1d72d215eeda7058b76c1ed0d41b88611fb7fb12f0/crossenv-0.1.tar.gz#md5=a2b8ed65554a2f959e6f40ce8350c622 (from https://pypi.python.org/simple/crossenv/) (requires-python:>=3.4), version: 0.1
    Found link https://pypi.python.org/packages/bb/77/16a8c3d64e65c5898541019c479047fa528d9ed79064221489814e4914b5/crossenv-0.2-py3-none-any.whl#md5=620a15200bcac50f1c7d43faad9990ab (from https://pypi.python.org/simple/crossenv/) (requires-python:>=3.4), version: 0.2
    Found link https://pypi.python.org/packages/d6/14/56c4bbaea16033992086a1247a6468deb6fecde63b2d77a53bb70610f1e5/crossenv-0.2.tar.gz#md5=766ad6041b60550d10c2fc4dce83a2d5 (from https://pypi.python.org/simple/crossenv/) (requires-python:>=3.4), version: 0.2
    Found link https://pypi.python.org/packages/10/10/d4d2606f54dbf6896d6ac974638ed0e743ce612e8009cd56bf8a22c22a1a/crossenv-0.3-py3-none-any.whl#md5=d5178dbfe4bfe818d489ca12f99029ca (from https://pypi.python.org/simple/crossenv/) (requires-python:>=3.4), version: 0.3
    Found link https://pypi.python.org/packages/c7/1d/b6bd62ceb6a4839953cfd8a077a24c1849d2b3e9849964080f5858a61c68/crossenv-0.3.tar.gz#md5=9afc23790980dc34d3efba8c8f70ab47 (from https://pypi.python.org/simple/crossenv/) (requires-python:>=3.4), version: 0.3
  Using version 0.3 (newest of versions: 0.3)
  Downloading crossenv-0.3-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/10/10/d4d2606f54dbf6896d6ac974638ed0e743ce612e8009cd56bf8a22c22a1a/crossenv-0.3-py3-none-any.whl#md5=d5178dbfe4bfe818d489ca12f99029ca (from https://pypi.python.org/simple/crossenv/) (requires-python:>=3.4)
  Saved /tmp/tmp5zotmrm1/crossenv-0.3-py3-none-any.whl
Skipping crossenv, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-6bcoqt6g/crossenv