2020-04-15T16:58:21,467 Created temporary directory: /tmp/pip-ephem-wheel-cache-lk62g0z4
2020-04-15T16:58:21,471 Created temporary directory: /tmp/pip-req-tracker-eebd1oir
2020-04-15T16:58:21,472 Initialized build tracking at /tmp/pip-req-tracker-eebd1oir
2020-04-15T16:58:21,473 Created build tracker: /tmp/pip-req-tracker-eebd1oir
2020-04-15T16:58:21,473 Entered build tracker: /tmp/pip-req-tracker-eebd1oir
2020-04-15T16:58:21,474 Created temporary directory: /tmp/pip-wheel-3vicadba
2020-04-15T16:58:21,479 1 location(s) to search for versions of v6gen:
2020-04-15T16:58:21,479 * https://pypi.org/simple/v6gen/
2020-04-15T16:58:21,480 Fetching project page and analyzing links: https://pypi.org/simple/v6gen/
2020-04-15T16:58:21,481 Getting page https://pypi.org/simple/v6gen/
2020-04-15T16:58:21,483 Found index url https://pypi.org/simple
2020-04-15T16:58:21,486 Getting credentials from keyring for https://pypi.org/simple
2020-04-15T16:58:21,487 Getting credentials from keyring for pypi.org
2020-04-15T16:58:21,692   Skipping link: No binaries permitted for v6gen: https://files.pythonhosted.org/packages/5b/6b/fdb48eb10d6f8340ff5d98d356b6588498384624603f3aa7ab70509f06ae/v6gen-0.1.0-py3-none-any.whl#sha256=45047d855ff253ff4a71ed1edec5f552c6ad8436c932b88640826dcde909388f (from https://pypi.org/simple/v6gen/) (requires-python:>=3.8,<4.0)
2020-04-15T16:58:21,693   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/fa/76/0690b09c3288951295ab948ca506ee8b70149ab9734c1dc73fc8ccfcf443/v6gen-0.1.0.tar.gz#sha256=b61ba6d6b3cff1d8bcaa20f810f2853b283e7957e06821cc0884ca88f1b62368 (from https://pypi.org/simple/v6gen/) (requires-python:>=3.8,<4.0)
2020-04-15T16:58:21,700 Given no hashes to check 0 links for project 'v6gen': discarding no candidates
2020-04-15T16:58:21,700 ERROR: Could not find a version that satisfies the requirement v6gen==0.1.0 (from versions: none)
2020-04-15T16:58:21,701 Cleaning up...
2020-04-15T16:58:21,729 Removed build tracker: '/tmp/pip-req-tracker-eebd1oir'
2020-04-15T16:58:21,733 ERROR: No matching distribution found for v6gen==0.1.0
2020-04-15T16:58:21,734 Exception information:
2020-04-15T16:58:21,734 Traceback (most recent call last):
2020-04-15T16:58:21,734   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 186, in _main
2020-04-15T16:58:21,734     status = self.run(options, args)
2020-04-15T16:58:21,734   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 161, in run
2020-04-15T16:58:21,734     resolver.resolve(requirement_set)
2020-04-15T16:58:21,734   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 177, in resolve
2020-04-15T16:58:21,734     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-04-15T16:58:21,734   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 333, in _resolve_one
2020-04-15T16:58:21,734     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-04-15T16:58:21,734   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 281, in _get_abstract_dist_for
2020-04-15T16:58:21,734     req.populate_link(self.finder, upgrade_allowed, require_hashes)
2020-04-15T16:58:21,734   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 249, in populate_link
2020-04-15T16:58:21,734     self.link = finder.find_requirement(self, upgrade)
2020-04-15T16:58:21,734   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 927, in find_requirement
2020-04-15T16:58:21,734     'No matching distribution found for %s' % req
2020-04-15T16:58:21,734 pip._internal.exceptions.DistributionNotFound: No matching distribution found for v6gen==0.1.0