Created temporary directory: /tmp/pip-ephem-wheel-cache-j56f9n5w
Created temporary directory: /tmp/pip-req-tracker-2fxre3ei
Created requirements tracker '/tmp/pip-req-tracker-2fxre3ei'
Created temporary directory: /tmp/pip-wheel-2fdsqc23
Collecting rocker==0.1.2
  1 location(s) to search for versions of rocker:
  * https://pypi.org/simple/rocker/
  Getting page https://pypi.org/simple/rocker/
  Analyzing links from page https://pypi.org/simple/rocker/
    Found link https://files.pythonhosted.org/packages/11/e3/a5d7b7ddb0c3e0058b8148d458f25d7c74e249075f58cff8b0b534c1fea9/rocker-0.0.1-py3-none-any.whl#sha256=7ab84a5fa194b52c04a3a8c330b7dbbb9ff668afd7a828cfc6e748dd005bde3c (from https://pypi.org/simple/rocker/) (requires-python:>=3.0), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/a4/10/0e17cce0183a2c5cf19fe726dc727d8f364765f34618c61cb28add30f978/rocker-0.0.1.tar.gz#sha256=9a5f114043b4fbe8447a28ce9b670c7f617ade1e264eaaea5ab325eb8af84ffe (from https://pypi.org/simple/rocker/) (requires-python:>=3.0), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/aa/11/ca0a29a129750a80c377806c57db5ffb2db9da522da1c49c2fdb07dcb513/rocker-0.1.2-py3-none-any.whl#sha256=622d61e6b4b132994683c0040d80fa1e66328ef67d964fd2e0974d0c16990a2f (from https://pypi.org/simple/rocker/) (requires-python:>=3.0), version: 0.1.2
    Found link https://files.pythonhosted.org/packages/1d/e3/194511a6a3a007a37b12722247f31dc848556002746941b51b36698eed08/rocker-0.1.2.tar.gz#sha256=2327be4d51fb6bb336606a9c62cff3551d76a7dd12d7dbc42287246a89f0def3 (from https://pypi.org/simple/rocker/) (requires-python:>=3.0), version: 0.1.2
    Found link https://files.pythonhosted.org/packages/b5/4c/ba842449ecaa98b6d66ba5bd11ce59010f1af1e32f581061cc831ae522cf/rocker-0.1.3-py3-none-any.whl#sha256=67f7eea531c980cc29909728ac94f922df95d6b789e98c69c22fe97c54beaf2b (from https://pypi.org/simple/rocker/) (requires-python:>=3.0), version: 0.1.3
    Found link https://files.pythonhosted.org/packages/a5/d2/b09697a3a9631714bec343c1780bacccbaff7d20ff2c7b40502931bcfab9/rocker-0.1.3.tar.gz#sha256=5aaa6293f22edfcd42ed5b7f7c8137351fb98869b8dbbf0509270c12cb5434ee (from https://pypi.org/simple/rocker/) (requires-python:>=3.0), version: 0.1.3
  Using version 0.1.2 (newest of versions: 0.1.2)
  Created temporary directory: /tmp/pip-unpack-04gg1vvf
  Downloading https://files.pythonhosted.org/packages/aa/11/ca0a29a129750a80c377806c57db5ffb2db9da522da1c49c2fdb07dcb513/rocker-0.1.2-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/aa/11/ca0a29a129750a80c377806c57db5ffb2db9da522da1c49c2fdb07dcb513/rocker-0.1.2-py3-none-any.whl#sha256=622d61e6b4b132994683c0040d80fa1e66328ef67d964fd2e0974d0c16990a2f (from https://pypi.org/simple/rocker/) (requires-python:>=3.0)
  Saved /tmp/tmp_tbntskj/rocker-0.1.2-py3-none-any.whl
  Added rocker==0.1.2 from https://files.pythonhosted.org/packages/aa/11/ca0a29a129750a80c377806c57db5ffb2db9da522da1c49c2fdb07dcb513/rocker-0.1.2-py3-none-any.whl#sha256=622d61e6b4b132994683c0040d80fa1e66328ef67d964fd2e0974d0c16990a2f to build tracker '/tmp/pip-req-tracker-2fxre3ei'
  Removed rocker==0.1.2 from https://files.pythonhosted.org/packages/aa/11/ca0a29a129750a80c377806c57db5ffb2db9da522da1c49c2fdb07dcb513/rocker-0.1.2-py3-none-any.whl#sha256=622d61e6b4b132994683c0040d80fa1e66328ef67d964fd2e0974d0c16990a2f from build tracker '/tmp/pip-req-tracker-2fxre3ei'
Skipping rocker, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-2fdsqc23/rocker
Removed build tracker '/tmp/pip-req-tracker-2fxre3ei'