2021-04-09T03:46:21,861 Created temporary directory: /tmp/pip-ephem-wheel-cache-r67hrxql
2021-04-09T03:46:21,864 Created temporary directory: /tmp/pip-req-tracker-wzb0fpa0
2021-04-09T03:46:21,864 Initialized build tracking at /tmp/pip-req-tracker-wzb0fpa0
2021-04-09T03:46:21,865 Created build tracker: /tmp/pip-req-tracker-wzb0fpa0
2021-04-09T03:46:21,865 Entered build tracker: /tmp/pip-req-tracker-wzb0fpa0
2021-04-09T03:46:21,865 Created temporary directory: /tmp/pip-wheel-zgwv56yx
2021-04-09T03:46:21,902 1 location(s) to search for versions of mcgen:
2021-04-09T03:46:21,902 * https://pypi.org/simple/mcgen/
2021-04-09T03:46:21,903 Fetching project page and analyzing links: https://pypi.org/simple/mcgen/
2021-04-09T03:46:21,903 Getting page https://pypi.org/simple/mcgen/
2021-04-09T03:46:21,905 Found index url https://pypi.org/simple
2021-04-09T03:46:22,096   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/ab/47/9f0e1af69d74ba35df94be4a4fa141f70f30d9cd4d5e330d01631d151ee2/mcgen-0.1.0-py3-none-any.whl#sha256=67545fd81fe09df107ea06e79213d9f5c359443aa066c3bf6478f390ee8ca5f2 (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-04-09T03:46:22,097   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/2f/28/b4dd9cdcb7ed80686e6d5ab2072a00d9457d2b4351b18cc4f1575bec58b5/mcgen-0.1.0.tar.gz#sha256=11c09e85c685d6f3659ea751f9910eb02f4907464da0aaf3a8fcf57e0285ba0a (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-04-09T03:46:22,098 Given no hashes to check 0 links for project 'mcgen': discarding no candidates
2021-04-09T03:46:22,098 ERROR: Could not find a version that satisfies the requirement mcgen==0.1.0
2021-04-09T03:46:22,098 ERROR: No matching distribution found for mcgen==0.1.0
2021-04-09T03:46:22,098 Exception information:
2021-04-09T03:46:22,098 Traceback (most recent call last):
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 171, in _merge_into_criterion
2021-04-09T03:46:22,098     crit = self.state.criteria[name]
2021-04-09T03:46:22,098 KeyError: 'mcgen'
2021-04-09T03:46:22,098 
2021-04-09T03:46:22,098 During handling of the above exception, another exception occurred:
2021-04-09T03:46:22,098 
2021-04-09T03:46:22,098 Traceback (most recent call last):
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 318, in resolve
2021-04-09T03:46:22,098     name, crit = self._merge_into_criterion(r, parent=None)
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-04-09T03:46:22,098     crit = Criterion.from_requirement(self._p, requirement, parent)
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 83, in from_requirement
2021-04-09T03:46:22,098     raise RequirementsConflicted(criterion)
2021-04-09T03:46:22,098 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('mcgen==0.1.0')
2021-04-09T03:46:22,098 
2021-04-09T03:46:22,098 During handling of the above exception, another exception occurred:
2021-04-09T03:46:22,098 
2021-04-09T03:46:22,098 Traceback (most recent call last):
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 122, in resolve
2021-04-09T03:46:22,098     requirements, max_rounds=try_to_avoid_resolution_too_deep,
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 453, in resolve
2021-04-09T03:46:22,098     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 320, in resolve
2021-04-09T03:46:22,098     raise ResolutionImpossible(e.criterion.information)
2021-04-09T03:46:22,098 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('mcgen==0.1.0'), parent=None)]
2021-04-09T03:46:22,098 
2021-04-09T03:46:22,098 The above exception was the direct cause of the following exception:
2021-04-09T03:46:22,098 
2021-04-09T03:46:22,098 Traceback (most recent call last):
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 189, in _main
2021-04-09T03:46:22,098     status = self.run(options, args)
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 178, in wrapper
2021-04-09T03:46:22,098     return func(self, options, args)
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 159, in run
2021-04-09T03:46:22,098     reqs, check_supported_wheels=True
2021-04-09T03:46:22,098   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-04-09T03:46:22,098     six.raise_from(error, e)
2021-04-09T03:46:22,098   File "<string>", line 3, in raise_from
2021-04-09T03:46:22,098 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mcgen==0.1.0
2021-04-09T03:46:22,103 Removed build tracker: '/tmp/pip-req-tracker-wzb0fpa0'