Created temporary directory: /tmp/pip-ephem-wheel-cache-d1f5rnll
Created temporary directory: /tmp/pip-req-tracker-4ng51r8f
Created requirements tracker '/tmp/pip-req-tracker-4ng51r8f'
Created temporary directory: /tmp/pip-wheel-vel79et1
Collecting mlagents-envs==0.6.1
  1 location(s) to search for versions of mlagents-envs:
  * https://pypi.org/simple/mlagents-envs/
  Getting page https://pypi.org/simple/mlagents-envs/
  Analyzing links from page https://pypi.org/simple/mlagents-envs/
    Found link https://files.pythonhosted.org/packages/d6/05/96adbcaca905803e084cc6514eef65710b1a34df738152950db0ee8b453c/mlagents_envs-0.6.0-py3-none-any.whl#sha256=95c807a1f554302e8adaa7857d2d230bf70e0b95dc0bb95789e427322a707db2 (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7), version: 0.6.0
    Found link https://files.pythonhosted.org/packages/c0/04/81e43f18e765a5d365a811877f508ed1ebf80f67bc7fd285ec00103fe7ae/mlagents_envs-0.6.0.tar.gz#sha256=b3a983b737daebb466b489f5c9752ee01a118aaca0da4b197f09749c8981c6be (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7), version: 0.6.0
    Found link https://files.pythonhosted.org/packages/a7/69/c5729cb996829eb3c300a45eee06c81f9680fbd8d121227044a3a61deabf/mlagents_envs-0.6.1-py3-none-any.whl#sha256=3cb1e08c784172da492410b80b582e0b4d19a73a2b80372a69781452d1689890 (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7), version: 0.6.1
    Found link https://files.pythonhosted.org/packages/bf/d9/401db302a16c38c8484d6bfb68fada31c3e700b9111746d35d158d36e68d/mlagents_envs-0.6.1.tar.gz#sha256=eba6c8d4c5be78a6b5bb6978c3d4ce90ac60c1a58f8f52aa81d6b6bf282b4368 (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7), version: 0.6.1
  Using version 0.6.1 (newest of versions: 0.6.1)
  Created temporary directory: /tmp/pip-unpack-p1vk3vb0
  Downloading https://files.pythonhosted.org/packages/a7/69/c5729cb996829eb3c300a45eee06c81f9680fbd8d121227044a3a61deabf/mlagents_envs-0.6.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/a7/69/c5729cb996829eb3c300a45eee06c81f9680fbd8d121227044a3a61deabf/mlagents_envs-0.6.1-py3-none-any.whl#sha256=3cb1e08c784172da492410b80b582e0b4d19a73a2b80372a69781452d1689890 (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7)
  Saved /tmp/tmphjb07tor/mlagents_envs-0.6.1-py3-none-any.whl
  Added mlagents-envs==0.6.1 from https://files.pythonhosted.org/packages/a7/69/c5729cb996829eb3c300a45eee06c81f9680fbd8d121227044a3a61deabf/mlagents_envs-0.6.1-py3-none-any.whl#sha256=3cb1e08c784172da492410b80b582e0b4d19a73a2b80372a69781452d1689890 to build tracker '/tmp/pip-req-tracker-4ng51r8f'
  Removed mlagents-envs==0.6.1 from https://files.pythonhosted.org/packages/a7/69/c5729cb996829eb3c300a45eee06c81f9680fbd8d121227044a3a61deabf/mlagents_envs-0.6.1-py3-none-any.whl#sha256=3cb1e08c784172da492410b80b582e0b4d19a73a2b80372a69781452d1689890 from build tracker '/tmp/pip-req-tracker-4ng51r8f'
Skipping mlagents-envs, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-vel79et1/mlagents-envs
Removed build tracker '/tmp/pip-req-tracker-4ng51r8f'