Created temporary directory: /tmp/pip-ephem-wheel-cache-xavhpzhu
Created temporary directory: /tmp/pip-req-tracker-m49n2ud9
Created requirements tracker '/tmp/pip-req-tracker-m49n2ud9'
Created temporary directory: /tmp/pip-wheel-7tjjd72l
Collecting sink==0.1.0b1
  1 location(s) to search for versions of sink:
  * https://pypi.org/simple/sink/
  Getting page https://pypi.org/simple/sink/
  Analyzing links from page https://pypi.org/simple/sink/
    Found link https://files.pythonhosted.org/packages/77/8d/f3edc998954c4ebdf3c3cb6897e2124c7134ff6a0c4a3233ab2ff1a91dd7/sink-0.1.0b1-py3-none-any.whl#sha256=2a45e0fae78cd3b1f9a66b0b6c1b17a8ab7dc2d2d994e2755e8970b0acd4fdd7 (from https://pypi.org/simple/sink/), version: 0.1.0b1
    Found link https://files.pythonhosted.org/packages/29/b7/7460f497f23fa1f540c39f049cbc31efc1cc571accf6a6fd7e665c8bbc98/sink-0.1.0b1.tar.gz#sha256=ca4fb2f103d9d08415acdaacc01af857bdc5a1fa300c1eaa244b8a6a37333a94 (from https://pypi.org/simple/sink/), version: 0.1.0b1
  Using version 0.1.0b1 (newest of versions: 0.1.0b1)
  Created temporary directory: /tmp/pip-unpack-w1_dwdqz
  Downloading https://files.pythonhosted.org/packages/77/8d/f3edc998954c4ebdf3c3cb6897e2124c7134ff6a0c4a3233ab2ff1a91dd7/sink-0.1.0b1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/77/8d/f3edc998954c4ebdf3c3cb6897e2124c7134ff6a0c4a3233ab2ff1a91dd7/sink-0.1.0b1-py3-none-any.whl#sha256=2a45e0fae78cd3b1f9a66b0b6c1b17a8ab7dc2d2d994e2755e8970b0acd4fdd7 (from https://pypi.org/simple/sink/)
  Saved /tmp/tmp_jcj73cd/sink-0.1.0b1-py3-none-any.whl
  Added sink==0.1.0b1 from https://files.pythonhosted.org/packages/77/8d/f3edc998954c4ebdf3c3cb6897e2124c7134ff6a0c4a3233ab2ff1a91dd7/sink-0.1.0b1-py3-none-any.whl#sha256=2a45e0fae78cd3b1f9a66b0b6c1b17a8ab7dc2d2d994e2755e8970b0acd4fdd7 to build tracker '/tmp/pip-req-tracker-m49n2ud9'
  Removed sink==0.1.0b1 from https://files.pythonhosted.org/packages/77/8d/f3edc998954c4ebdf3c3cb6897e2124c7134ff6a0c4a3233ab2ff1a91dd7/sink-0.1.0b1-py3-none-any.whl#sha256=2a45e0fae78cd3b1f9a66b0b6c1b17a8ab7dc2d2d994e2755e8970b0acd4fdd7 from build tracker '/tmp/pip-req-tracker-m49n2ud9'
Skipping sink, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-7tjjd72l/sink
Removed build tracker '/tmp/pip-req-tracker-m49n2ud9'