2020-05-20T16:54:18,170 Created temporary directory: /tmp/pip-ephem-wheel-cache-7bf9jx_n
2020-05-20T16:54:18,176 Created temporary directory: /tmp/pip-req-tracker-cru2wvmf
2020-05-20T16:54:18,177 Initialized build tracking at /tmp/pip-req-tracker-cru2wvmf
2020-05-20T16:54:18,179 Created build tracker: /tmp/pip-req-tracker-cru2wvmf
2020-05-20T16:54:18,180 Entered build tracker: /tmp/pip-req-tracker-cru2wvmf
2020-05-20T16:54:18,182 Created temporary directory: /tmp/pip-wheel-693pf51l
2020-05-20T16:54:18,202 1 location(s) to search for versions of cooperative-dataclasses:
2020-05-20T16:54:18,202 * https://pypi.org/simple/cooperative-dataclasses/
2020-05-20T16:54:18,203 Fetching project page and analyzing links: https://pypi.org/simple/cooperative-dataclasses/
2020-05-20T16:54:18,204 Getting page https://pypi.org/simple/cooperative-dataclasses/
2020-05-20T16:54:18,207 Found index url https://pypi.org/simple
2020-05-20T16:54:18,438   Skipping link: No binaries permitted for cooperative-dataclasses: https://files.pythonhosted.org/packages/84/14/1599030c93f3a0d9c776004fb062f205679a61642b02f9cb41b477397cd9/cooperative_dataclasses-0.1-py3-none-any.whl#sha256=6ae44385641494538ef1d37fb1ad97fbecd28fa42a8eff7a4f62ea17d53522d8 (from https://pypi.org/simple/cooperative-dataclasses/) (requires-python:>=3.8,<4.0)
2020-05-20T16:54:18,439   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/8f/8c/82c901559ddc77e260e329cffe10f0e7d8469dea8544ba7839200a1082b7/cooperative_dataclasses-0.1.tar.gz#sha256=98a813811154e0ddda6d6a7f88ef07bafa6459b9727c1caa08977a2d7a97abb1 (from https://pypi.org/simple/cooperative-dataclasses/) (requires-python:>=3.8,<4.0)
2020-05-20T16:54:18,449 Given no hashes to check 0 links for project 'cooperative-dataclasses': discarding no candidates
2020-05-20T16:54:18,450 ERROR: Could not find a version that satisfies the requirement cooperative-dataclasses==0.1 (from versions: none)
2020-05-20T16:54:18,451 ERROR: No matching distribution found for cooperative-dataclasses==0.1
2020-05-20T16:54:18,452 Exception information:
2020-05-20T16:54:18,452 Traceback (most recent call last):
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 188, in _main
2020-05-20T16:54:18,452     status = self.run(options, args)
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 185, in wrapper
2020-05-20T16:54:18,452     return func(self, options, args)
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 160, in run
2020-05-20T16:54:18,452     reqs, check_supported_wheels=True
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 179, in resolve
2020-05-20T16:54:18,452     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 362, in _resolve_one
2020-05-20T16:54:18,452     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 313, in _get_abstract_dist_for
2020-05-20T16:54:18,452     self._populate_link(req)
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 279, in _populate_link
2020-05-20T16:54:18,452     req.link = self.finder.find_requirement(req, upgrade)
2020-05-20T16:54:18,452   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 930, in find_requirement
2020-05-20T16:54:18,452     req)
2020-05-20T16:54:18,452 pip._internal.exceptions.DistributionNotFound: No matching distribution found for cooperative-dataclasses==0.1
2020-05-20T16:54:18,465 Removed build tracker: '/tmp/pip-req-tracker-cru2wvmf'