Created temporary directory: /tmp/pip-ephem-wheel-cache-0rwsi4k1
Created temporary directory: /tmp/pip-req-tracker-nmr791wa
Created requirements tracker '/tmp/pip-req-tracker-nmr791wa'
Created temporary directory: /tmp/pip-wheel-c5g1i8pj
Collecting crossref-commons-reverse==0.0.7.1
  1 location(s) to search for versions of crossref-commons-reverse:
  * https://pypi.org/simple/crossref-commons-reverse/
  Getting page https://pypi.org/simple/crossref-commons-reverse/
  Analyzing links from page https://pypi.org/simple/crossref-commons-reverse/
    Found link https://files.pythonhosted.org/packages/06/95/2fa20a08a8c368741a5d588cc8f3eca7a426bcc5b81b725d39ca2565ad90/crossref_commons_reverse-0.0.7.1-py3-none-any.whl#sha256=ba5e3680d1fdb95e2caf0ad2e910d81fbb9eeb48fa36b70f9af192d57c6cac92 (from https://pypi.org/simple/crossref-commons-reverse/), version: 0.0.7.1
    Found link https://files.pythonhosted.org/packages/74/1e/532d9c26e9e405cb5f017693c2c75cb746cfae152f1bd4692345b769a4bd/crossref_commons_reverse-0.0.7.1.tar.gz#sha256=04c2843c3fc91c8589820cedf49471346411996a8efaee542983cddfbfee814c (from https://pypi.org/simple/crossref-commons-reverse/), version: 0.0.7.1
  Using version 0.0.7.1 (newest of versions: 0.0.7.1)
  Created temporary directory: /tmp/pip-unpack-7p4ybxto
  Downloading https://files.pythonhosted.org/packages/06/95/2fa20a08a8c368741a5d588cc8f3eca7a426bcc5b81b725d39ca2565ad90/crossref_commons_reverse-0.0.7.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/06/95/2fa20a08a8c368741a5d588cc8f3eca7a426bcc5b81b725d39ca2565ad90/crossref_commons_reverse-0.0.7.1-py3-none-any.whl#sha256=ba5e3680d1fdb95e2caf0ad2e910d81fbb9eeb48fa36b70f9af192d57c6cac92 (from https://pypi.org/simple/crossref-commons-reverse/)
  Saved /tmp/tmpgosmdqhz/crossref_commons_reverse-0.0.7.1-py3-none-any.whl
  Added crossref-commons-reverse==0.0.7.1 from https://files.pythonhosted.org/packages/06/95/2fa20a08a8c368741a5d588cc8f3eca7a426bcc5b81b725d39ca2565ad90/crossref_commons_reverse-0.0.7.1-py3-none-any.whl#sha256=ba5e3680d1fdb95e2caf0ad2e910d81fbb9eeb48fa36b70f9af192d57c6cac92 to build tracker '/tmp/pip-req-tracker-nmr791wa'
  Removed crossref-commons-reverse==0.0.7.1 from https://files.pythonhosted.org/packages/06/95/2fa20a08a8c368741a5d588cc8f3eca7a426bcc5b81b725d39ca2565ad90/crossref_commons_reverse-0.0.7.1-py3-none-any.whl#sha256=ba5e3680d1fdb95e2caf0ad2e910d81fbb9eeb48fa36b70f9af192d57c6cac92 from build tracker '/tmp/pip-req-tracker-nmr791wa'
Skipping crossref-commons-reverse, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-c5g1i8pj/crossref-commons-reverse
Removed build tracker '/tmp/pip-req-tracker-nmr791wa'