Created temporary directory: /tmp/pip-ephem-wheel-cache-5i3hrlt9
Created temporary directory: /tmp/pip-req-tracker-930ltu62
Created requirements tracker '/tmp/pip-req-tracker-930ltu62'
Created temporary directory: /tmp/pip-wheel-od6e11fa
Collecting composition==867530.9
  1 location(s) to search for versions of composition:
  * https://pypi.org/simple/composition/
  Getting page https://pypi.org/simple/composition/
  Analyzing links from page https://pypi.org/simple/composition/
    Skipping link https://files.pythonhosted.org/packages/f9/3a/859aefa147523a1dbc0be4c4834488e858309d19419c2b1cf536c0165ce1/composition-86753.0.9-py2-none-any.whl#sha256=d241a4b5ae4fa331bdb3a1e41494351f3358a012c2cf455ff2afdc939327bc77 (from https://pypi.org/simple/composition/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/f9/21/7277456f4e052b131c95fd5000e794fe6a5707514eb4b0648871099e6c02/composition-86753.0.9.tar.gz#sha256=b9e038ae1a62b993a90f30021d2ee9afeedd7a6974f58711050dc2035e260602 (from https://pypi.org/simple/composition/), version: 86753.0.9
    Found link https://files.pythonhosted.org/packages/69/68/e186410be232dbe3c19674ccc865c8fec6fe8d94fe761c588db5dad7db05/composition-867530.9-py2.py3-none-any.whl#sha256=5abd2e804a0caacc6661865a43acda23932394fe90fa14fb54837d7286e1d472 (from https://pypi.org/simple/composition/), version: 867530.9
    Found link https://files.pythonhosted.org/packages/d7/28/ca028a413d05d4482a75745bef8f2bfa723ee663676a642f5c2f514eeb85/composition-867530.9.tar.gz#sha256=ac893d06c7837aeff05fc050247e96e929a4aaca5a0a648e8044695cb983bb3e (from https://pypi.org/simple/composition/), version: 867530.9
  Using version 867530.9 (newest of versions: 867530.9)
  Created temporary directory: /tmp/pip-unpack-ddhbpls_
  Downloading https://files.pythonhosted.org/packages/69/68/e186410be232dbe3c19674ccc865c8fec6fe8d94fe761c588db5dad7db05/composition-867530.9-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/69/68/e186410be232dbe3c19674ccc865c8fec6fe8d94fe761c588db5dad7db05/composition-867530.9-py2.py3-none-any.whl#sha256=5abd2e804a0caacc6661865a43acda23932394fe90fa14fb54837d7286e1d472 (from https://pypi.org/simple/composition/)
  Saved /tmp/tmpgyhoeuoq/composition-867530.9-py2.py3-none-any.whl
  Added composition==867530.9 from https://files.pythonhosted.org/packages/69/68/e186410be232dbe3c19674ccc865c8fec6fe8d94fe761c588db5dad7db05/composition-867530.9-py2.py3-none-any.whl#sha256=5abd2e804a0caacc6661865a43acda23932394fe90fa14fb54837d7286e1d472 to build tracker '/tmp/pip-req-tracker-930ltu62'
  Removed composition==867530.9 from https://files.pythonhosted.org/packages/69/68/e186410be232dbe3c19674ccc865c8fec6fe8d94fe761c588db5dad7db05/composition-867530.9-py2.py3-none-any.whl#sha256=5abd2e804a0caacc6661865a43acda23932394fe90fa14fb54837d7286e1d472 from build tracker '/tmp/pip-req-tracker-930ltu62'
Skipping composition, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-od6e11fa/composition
Removed build tracker '/tmp/pip-req-tracker-930ltu62'