2020-12-11T19:51:54,903 Created temporary directory: /tmp/pip-ephem-wheel-cache-1sct8r4a
2020-12-11T19:51:54,906 Created temporary directory: /tmp/pip-req-tracker-mqv4mdhw
2020-12-11T19:51:54,907 Initialized build tracking at /tmp/pip-req-tracker-mqv4mdhw
2020-12-11T19:51:54,907 Created build tracker: /tmp/pip-req-tracker-mqv4mdhw
2020-12-11T19:51:54,907 Entered build tracker: /tmp/pip-req-tracker-mqv4mdhw
2020-12-11T19:51:54,908 Created temporary directory: /tmp/pip-wheel-9mbckfc9
2020-12-11T19:51:54,919 1 location(s) to search for versions of objector:
2020-12-11T19:51:54,919 * https://pypi.org/simple/objector/
2020-12-11T19:51:54,919 Fetching project page and analyzing links: https://pypi.org/simple/objector/
2020-12-11T19:51:54,920 Getting page https://pypi.org/simple/objector/
2020-12-11T19:51:54,921 Found index url https://pypi.org/simple
2020-12-11T19:51:55,287   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/27/0a/939f23c3bc8f2829647a18e617e261c9297b06cd0a8680a514c6b8c000a0/objector-2020.11.0a1-py3-none-any.whl#sha256=09f95ccff3dfa61b00b351581c007b69d829aca5663e046bd81c15d376543ca4 (from https://pypi.org/simple/objector/) (requires-python:>=3.8,<4.0)
2020-12-11T19:51:55,287   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/cf/77/44a611409ce6a36d3bbe301b7ab110dcd41bb2ecc48b4934ab8c86d0aecc/objector-2020.11.0a1.tar.gz#sha256=5e8b3b58da607f2f81b92b2daedabb08c83ab8dad44113de04d5347381780c43 (from https://pypi.org/simple/objector/) (requires-python:>=3.8,<4.0)
2020-12-11T19:51:55,288 Given no hashes to check 0 links for project 'objector': discarding no candidates
2020-12-11T19:51:55,288 ERROR: Could not find a version that satisfies the requirement objector==2020.11.0a1 (from versions: none)
2020-12-11T19:51:55,289 ERROR: No matching distribution found for objector==2020.11.0a1
2020-12-11T19:51:55,289 Exception information:
2020-12-11T19:51:55,289 Traceback (most recent call last):
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 228, in _main
2020-12-11T19:51:55,289     status = self.run(options, args)
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 182, in wrapper
2020-12-11T19:51:55,289     return func(self, options, args)
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 156, in run
2020-12-11T19:51:55,289     reqs, check_supported_wheels=True
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 183, in resolve
2020-12-11T19:51:55,289     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 388, in _resolve_one
2020-12-11T19:51:55,289     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 339, in _get_abstract_dist_for
2020-12-11T19:51:55,289     self._populate_link(req)
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 305, in _populate_link
2020-12-11T19:51:55,289     req.link = self._find_requirement_link(req)
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 270, in _find_requirement_link
2020-12-11T19:51:55,289     best_candidate = self.finder.find_requirement(req, upgrade)
2020-12-11T19:51:55,289   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 930, in find_requirement
2020-12-11T19:51:55,289     req)
2020-12-11T19:51:55,289 pip._internal.exceptions.DistributionNotFound: No matching distribution found for objector==2020.11.0a1
2020-12-11T19:51:55,293 Removed build tracker: '/tmp/pip-req-tracker-mqv4mdhw'