2021-01-19T19:50:20,392 Created temporary directory: /tmp/pip-ephem-wheel-cache-a18m9bja
2021-01-19T19:50:20,395 Created temporary directory: /tmp/pip-req-tracker-x_yfyv05
2021-01-19T19:50:20,395 Initialized build tracking at /tmp/pip-req-tracker-x_yfyv05
2021-01-19T19:50:20,396 Created build tracker: /tmp/pip-req-tracker-x_yfyv05
2021-01-19T19:50:20,396 Entered build tracker: /tmp/pip-req-tracker-x_yfyv05
2021-01-19T19:50:20,396 Created temporary directory: /tmp/pip-wheel-nmh93o4u
2021-01-19T19:50:20,407 1 location(s) to search for versions of cushead:
2021-01-19T19:50:20,407 * https://pypi.org/simple/cushead/
2021-01-19T19:50:20,408 Fetching project page and analyzing links: https://pypi.org/simple/cushead/
2021-01-19T19:50:20,408 Getting page https://pypi.org/simple/cushead/
2021-01-19T19:50:20,410 Found index url https://pypi.org/simple
2021-01-19T19:50:20,662   Link requires a different Python (3.7.3 not in: '>=3.8'): https://files.pythonhosted.org/packages/c6/bc/3e91daa7196c536450d4e06d92d574b052565c7d387f4595a340a8ded07d/cushead-4.0.0-py3-none-any.whl#sha256=97d175a89a6817cdfa53e8f1270b6e3db09b42d513343e2498a5f537761483da (from https://pypi.org/simple/cushead/) (requires-python:>=3.8)
2021-01-19T19:50:20,663   Link requires a different Python (3.7.3 not in: '>=3.8'): https://files.pythonhosted.org/packages/5e/43/e2a127e60ea23b33322a35f55d2764492962f01dc674bce58a3427559c13/cushead-4.0.0.tar.gz#sha256=f525d4c64b10065fa1ce15343a73348d6612b3b403fffad27d8b8e9a18cca0ec (from https://pypi.org/simple/cushead/) (requires-python:>=3.8)
2021-01-19T19:50:20,663 Given no hashes to check 0 links for project 'cushead': discarding no candidates
2021-01-19T19:50:20,664 ERROR: Could not find a version that satisfies the requirement cushead==4.0.0 (from versions: none)
2021-01-19T19:50:20,664 ERROR: No matching distribution found for cushead==4.0.0
2021-01-19T19:50:20,664 Exception information:
2021-01-19T19:50:20,664 Traceback (most recent call last):
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 228, in _main
2021-01-19T19:50:20,664     status = self.run(options, args)
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 182, in wrapper
2021-01-19T19:50:20,664     return func(self, options, args)
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 156, in run
2021-01-19T19:50:20,664     reqs, check_supported_wheels=True
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 183, in resolve
2021-01-19T19:50:20,664     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 388, in _resolve_one
2021-01-19T19:50:20,664     abstract_dist = self._get_abstract_dist_for(req_to_install)
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 339, in _get_abstract_dist_for
2021-01-19T19:50:20,664     self._populate_link(req)
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 305, in _populate_link
2021-01-19T19:50:20,664     req.link = self._find_requirement_link(req)
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 270, in _find_requirement_link
2021-01-19T19:50:20,664     best_candidate = self.finder.find_requirement(req, upgrade)
2021-01-19T19:50:20,664   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 930, in find_requirement
2021-01-19T19:50:20,664     req)
2021-01-19T19:50:20,664 pip._internal.exceptions.DistributionNotFound: No matching distribution found for cushead==4.0.0
2021-01-19T19:50:20,669 Removed build tracker: '/tmp/pip-req-tracker-x_yfyv05'