2020-09-20T08:09:43,344 Created temporary directory: /tmp/pip-ephem-wheel-cache-nixq99vq
2020-09-20T08:09:43,347 Created temporary directory: /tmp/pip-req-tracker-lmj59kg_
2020-09-20T08:09:43,347 Initialized build tracking at /tmp/pip-req-tracker-lmj59kg_
2020-09-20T08:09:43,347 Created build tracker: /tmp/pip-req-tracker-lmj59kg_
2020-09-20T08:09:43,348 Entered build tracker: /tmp/pip-req-tracker-lmj59kg_
2020-09-20T08:09:43,348 Created temporary directory: /tmp/pip-wheel-n8al0gsp
2020-09-20T08:09:43,356 1 location(s) to search for versions of ringing-lib:
2020-09-20T08:09:43,356 * https://pypi.org/simple/ringing-lib/
2020-09-20T08:09:43,357 Fetching project page and analyzing links: https://pypi.org/simple/ringing-lib/
2020-09-20T08:09:43,357 Getting page https://pypi.org/simple/ringing-lib/
2020-09-20T08:09:43,359 Found index url https://pypi.org/simple
2020-09-20T08:09:43,444   Found link https://files.pythonhosted.org/packages/ca/60/f261cd649bc379cabc92613345529e892d2ef7e831ff7bf7556ede36f338/ringing-lib-0.1.0.tar.gz#sha256=20cfc8615fa825ab35c6169c6abb762a616678e9516bb33400f4b9c1752ed340 (from https://pypi.org/simple/ringing-lib/), version: 0.1.0
2020-09-20T08:09:43,444   Found link https://files.pythonhosted.org/packages/a7/4e/8364439fd1ab377bea5a57eb38a4013905c078d251e5448026ec688ea94f/ringing-lib-0.2.0.tar.gz#sha256=d4da09b55ce05e222c790d70f83944ed71a0aa02907695c8e9aa5fdb308e7ffe (from https://pypi.org/simple/ringing-lib/), version: 0.2.0
2020-09-20T08:09:43,444   Found link https://files.pythonhosted.org/packages/a5/1d/9c7e1f6156e38c3db673bcc7e69a890bc27cedf542e15b9e96ff421401a8/ringing-lib-0.2.1_1.tar.gz#sha256=731e5dd409dfa7b0d217b2416fee14d26cc62266e1969a9d24d5ed516ef10d17 (from https://pypi.org/simple/ringing-lib/), version: 0.2.1_1
2020-09-20T08:09:43,445   Found link https://files.pythonhosted.org/packages/fa/e7/795e7c6495c4c0c35be9aacc89dd3f15bd99bd5fca62e869ae6f2b7e4af0/ringing-lib-0.3.0.tar.gz#sha256=848ad1720f6507d751c5a37e7abef5bdd7da9f78bdbc0302ff05dac04f392af4 (from https://pypi.org/simple/ringing-lib/), version: 0.3.0
2020-09-20T08:09:43,449 Given no hashes to check 0 links for project 'ringing-lib': discarding no candidates
2020-09-20T08:09:43,450 ERROR: Could not find a version that satisfies the requirement ringing-lib==0.2.1 (from versions: 0.2.1_1, 0.1.0, 0.2.0, 0.3.0)
2020-09-20T08:09:43,450 ERROR: No matching distribution found for ringing-lib==0.2.1
2020-09-20T08:09:43,450 Exception information:
2020-09-20T08:09:43,450 Traceback (most recent call last):
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 228, in _main
2020-09-20T08:09:43,450     status = self.run(options, args)
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 182, in wrapper
2020-09-20T08:09:43,450     return func(self, options, args)
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 156, in run
2020-09-20T08:09:43,450     reqs, check_supported_wheels=True
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 183, in resolve
2020-09-20T08:09:43,450     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 388, in _resolve_one
2020-09-20T08:09:43,450     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 339, in _get_abstract_dist_for
2020-09-20T08:09:43,450     self._populate_link(req)
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 305, in _populate_link
2020-09-20T08:09:43,450     req.link = self._find_requirement_link(req)
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 270, in _find_requirement_link
2020-09-20T08:09:43,450     best_candidate = self.finder.find_requirement(req, upgrade)
2020-09-20T08:09:43,450   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 928, in find_requirement
2020-09-20T08:09:43,450     req)
2020-09-20T08:09:43,450 pip._internal.exceptions.DistributionNotFound: No matching distribution found for ringing-lib==0.2.1
2020-09-20T08:09:43,454 Removed build tracker: '/tmp/pip-req-tracker-lmj59kg_'