2020-02-18T16:29:02,286 Created temporary directory: /tmp/pip-ephem-wheel-cache-ie2_x1in
2020-02-18T16:29:02,289 Created temporary directory: /tmp/pip-req-tracker-y4nmsfab
2020-02-18T16:29:02,289 Initialized build tracking at /tmp/pip-req-tracker-y4nmsfab
2020-02-18T16:29:02,290 Created build tracker: /tmp/pip-req-tracker-y4nmsfab
2020-02-18T16:29:02,290 Entered build tracker: /tmp/pip-req-tracker-y4nmsfab
2020-02-18T16:29:02,291 Created temporary directory: /tmp/pip-wheel-efj2sn4p
2020-02-18T16:29:02,296 1 location(s) to search for versions of rigorous:
2020-02-18T16:29:02,296 * https://pypi.org/simple/rigorous/
2020-02-18T16:29:02,297 Fetching project page and analyzing links: https://pypi.org/simple/rigorous/
2020-02-18T16:29:02,297 Getting page https://pypi.org/simple/rigorous/
2020-02-18T16:29:02,299 Found index url https://pypi.org/simple
2020-02-18T16:29:02,302 Getting credentials from keyring for https://pypi.org/simple
2020-02-18T16:29:02,303 Getting credentials from keyring for pypi.org
2020-02-18T16:29:02,478   Skipping link: No binaries permitted for rigorous: https://files.pythonhosted.org/packages/6f/08/8afe5345bf79c7ff708a6007d203c7867801d4acc520f30f393ebe260461/rigorous-0.0.1-py3-none-any.whl#sha256=421a9466c37f227172d67fefa7074439084059d47c36afdcfe9eb959c15ac33c (from https://pypi.org/simple/rigorous/) (requires-python:>=3.8,<4.0)
2020-02-18T16:29:02,480   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/92/49/426753021df2eeda91591a7b3b494bab6d4ba2bf15c386e8a40e15d711cd/rigorous-0.0.1.tar.gz#sha256=a953149d57f52d4b3d004a7095f09b382514a7755d2c3734059ac8b453852b96 (from https://pypi.org/simple/rigorous/) (requires-python:>=3.8,<4.0)
2020-02-18T16:29:02,486 Given no hashes to check 0 links for project 'rigorous': discarding no candidates
2020-02-18T16:29:02,486 ERROR: Could not find a version that satisfies the requirement rigorous==0.0.1 (from versions: none)
2020-02-18T16:29:02,487 Cleaning up...
2020-02-18T16:29:02,490 Removed build tracker: '/tmp/pip-req-tracker-y4nmsfab'
2020-02-18T16:29:02,493 ERROR: No matching distribution found for rigorous==0.0.1
2020-02-18T16:29:02,493 Exception information:
2020-02-18T16:29:02,493 Traceback (most recent call last):
2020-02-18T16:29:02,493   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 186, in _main
2020-02-18T16:29:02,493     status = self.run(options, args)
2020-02-18T16:29:02,493   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 161, in run
2020-02-18T16:29:02,493     resolver.resolve(requirement_set)
2020-02-18T16:29:02,493   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 177, in resolve
2020-02-18T16:29:02,493     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-02-18T16:29:02,493   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 333, in _resolve_one
2020-02-18T16:29:02,493     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-02-18T16:29:02,493   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 281, in _get_abstract_dist_for
2020-02-18T16:29:02,493     req.populate_link(self.finder, upgrade_allowed, require_hashes)
2020-02-18T16:29:02,493   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 249, in populate_link
2020-02-18T16:29:02,493     self.link = finder.find_requirement(self, upgrade)
2020-02-18T16:29:02,493   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 927, in find_requirement
2020-02-18T16:29:02,493     'No matching distribution found for %s' % req
2020-02-18T16:29:02,493 pip._internal.exceptions.DistributionNotFound: No matching distribution found for rigorous==0.0.1