2020-02-28T09:16:15,788 Created temporary directory: /tmp/pip-ephem-wheel-cache-y5_v8tm0
2020-02-28T09:16:15,792 Created temporary directory: /tmp/pip-req-tracker-10sg8t4c
2020-02-28T09:16:15,792 Initialized build tracking at /tmp/pip-req-tracker-10sg8t4c
2020-02-28T09:16:15,793 Created build tracker: /tmp/pip-req-tracker-10sg8t4c
2020-02-28T09:16:15,793 Entered build tracker: /tmp/pip-req-tracker-10sg8t4c
2020-02-28T09:16:15,794 Created temporary directory: /tmp/pip-wheel-e5yrk8o9
2020-02-28T09:16:15,799 1 location(s) to search for versions of unibuf:
2020-02-28T09:16:15,799 * https://pypi.org/simple/unibuf/
2020-02-28T09:16:15,799 Fetching project page and analyzing links: https://pypi.org/simple/unibuf/
2020-02-28T09:16:15,800 Getting page https://pypi.org/simple/unibuf/
2020-02-28T09:16:15,802 Found index url https://pypi.org/simple
2020-02-28T09:16:15,805 Getting credentials from keyring for https://pypi.org/simple
2020-02-28T09:16:15,806 Getting credentials from keyring for pypi.org
2020-02-28T09:16:15,986   Skipping link: No binaries permitted for unibuf: https://files.pythonhosted.org/packages/ae/17/db48bc4167a13b38594e78e08fa5953be4a427c87437ebf148f17ded5bce/unibuf-0.1.0-cp38-cp38m-win_amd64.whl#sha256=3273247333f38f26de0a9a3ee22b96e83c0e0bbf3a7aebfd43010cfc84f2e455 (from https://pypi.org/simple/unibuf/) (requires-python:>=3.8,<4.0)
2020-02-28T09:16:15,987   Skipping link: No binaries permitted for unibuf: https://files.pythonhosted.org/packages/4f/32/dd6c1e0b302cce6be9d107bd3f2dcd4bbe5bceaa811f27d046030395b395/unibuf-0.1.0-py3-none-any.whl#sha256=47f0e45803df28ca8a3ed6d5f0ac8572ec5560d90d6a054459c6fe87a284e3f3 (from https://pypi.org/simple/unibuf/) (requires-python:>=3.8,<4.0)
2020-02-28T09:16:15,988   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/ec/a1/f1d0f786639685d5fbb02e3e888a111b557b492eb1b8747f6d95bcb8c6e9/unibuf-0.1.0.tar.gz#sha256=b5f53b80d210f1f322be118748745d8072a13b2e30495dffe8ceca5f4c7274c2 (from https://pypi.org/simple/unibuf/) (requires-python:>=3.8,<4.0)
2020-02-28T09:16:15,994 Given no hashes to check 0 links for project 'unibuf': discarding no candidates
2020-02-28T09:16:15,994 ERROR: Could not find a version that satisfies the requirement unibuf==0.1.0 (from versions: none)
2020-02-28T09:16:15,995 Cleaning up...
2020-02-28T09:16:15,999 Removed build tracker: '/tmp/pip-req-tracker-10sg8t4c'
2020-02-28T09:16:16,002 ERROR: No matching distribution found for unibuf==0.1.0
2020-02-28T09:16:16,003 Exception information:
2020-02-28T09:16:16,003 Traceback (most recent call last):
2020-02-28T09:16:16,003   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 186, in _main
2020-02-28T09:16:16,003     status = self.run(options, args)
2020-02-28T09:16:16,003   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 161, in run
2020-02-28T09:16:16,003     resolver.resolve(requirement_set)
2020-02-28T09:16:16,003   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 177, in resolve
2020-02-28T09:16:16,003     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-02-28T09:16:16,003   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 333, in _resolve_one
2020-02-28T09:16:16,003     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-02-28T09:16:16,003   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 281, in _get_abstract_dist_for
2020-02-28T09:16:16,003     req.populate_link(self.finder, upgrade_allowed, require_hashes)
2020-02-28T09:16:16,003   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 249, in populate_link
2020-02-28T09:16:16,003     self.link = finder.find_requirement(self, upgrade)
2020-02-28T09:16:16,003   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 927, in find_requirement
2020-02-28T09:16:16,003     'No matching distribution found for %s' % req
2020-02-28T09:16:16,003 pip._internal.exceptions.DistributionNotFound: No matching distribution found for unibuf==0.1.0