Created temporary directory: /tmp/pip-ephem-wheel-cache-cvm7k0n7
Created temporary directory: /tmp/pip-req-tracker-l2lb0bwc
Created requirements tracker '/tmp/pip-req-tracker-l2lb0bwc'
Created temporary directory: /tmp/pip-wheel-jhdyp0bi
Looking in indexes: https://pypi.python.org/simple
Collecting umbral==0.1.0a4
  1 location(s) to search for versions of umbral:
  * https://pypi.python.org/simple/umbral/
  Getting page https://pypi.python.org/simple/umbral/
  Analyzing links from page https://pypi.org/simple/umbral/
    Found link https://files.pythonhosted.org/packages/39/1b/1dbc8d5971b35a959d41fe84fddd57533c92367fbd58f43b6b7e39b02eaf/umbral-0.1.0a4-py3-none-any.whl#sha256=5d0dfe66bbfdbb96b4e9a7603e6fcb35aaf8988c808bd836a7531e264be3d025 (from https://pypi.org/simple/umbral/) (requires-python:>=3), version: 0.1.0a4
    Found link https://files.pythonhosted.org/packages/c6/1b/efa6c636519ce01e016aabf3945ba7f7c4c54fa09ba5acf54627f56f569d/umbral-0.1.0a4.tar.gz#sha256=87b30533eefedb33e81df3dd45cd7c1a44c0a63a1165b9dbd0b448b98cfa6b89 (from https://pypi.org/simple/umbral/) (requires-python:>=3), version: 0.1.0a4
  Using version 0.1.0a4 (newest of versions: 0.1.0a4)
  Created temporary directory: /tmp/pip-unpack-xg945qni
  Downloading https://files.pythonhosted.org/packages/39/1b/1dbc8d5971b35a959d41fe84fddd57533c92367fbd58f43b6b7e39b02eaf/umbral-0.1.0a4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/39/1b/1dbc8d5971b35a959d41fe84fddd57533c92367fbd58f43b6b7e39b02eaf/umbral-0.1.0a4-py3-none-any.whl#sha256=5d0dfe66bbfdbb96b4e9a7603e6fcb35aaf8988c808bd836a7531e264be3d025 (from https://pypi.org/simple/umbral/) (requires-python:>=3)
  Saved /tmp/tmplhbzl024/umbral-0.1.0a4-py3-none-any.whl
  Added umbral==0.1.0a4 from https://files.pythonhosted.org/packages/39/1b/1dbc8d5971b35a959d41fe84fddd57533c92367fbd58f43b6b7e39b02eaf/umbral-0.1.0a4-py3-none-any.whl#sha256=5d0dfe66bbfdbb96b4e9a7603e6fcb35aaf8988c808bd836a7531e264be3d025 to build tracker '/tmp/pip-req-tracker-l2lb0bwc'
  Removed umbral==0.1.0a4 from https://files.pythonhosted.org/packages/39/1b/1dbc8d5971b35a959d41fe84fddd57533c92367fbd58f43b6b7e39b02eaf/umbral-0.1.0a4-py3-none-any.whl#sha256=5d0dfe66bbfdbb96b4e9a7603e6fcb35aaf8988c808bd836a7531e264be3d025 from build tracker '/tmp/pip-req-tracker-l2lb0bwc'
Skipping umbral, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-jhdyp0bi/umbral
Removed build tracker '/tmp/pip-req-tracker-l2lb0bwc'