2021-06-20T15:20:56,187 Created temporary directory: /tmp/pip-ephem-wheel-cache-rsf5lz0j
2021-06-20T15:20:56,191 Created temporary directory: /tmp/pip-req-tracker-r3lu1ujc
2021-06-20T15:20:56,191 Initialized build tracking at /tmp/pip-req-tracker-r3lu1ujc
2021-06-20T15:20:56,191 Created build tracker: /tmp/pip-req-tracker-r3lu1ujc
2021-06-20T15:20:56,192 Entered build tracker: /tmp/pip-req-tracker-r3lu1ujc
2021-06-20T15:20:56,192 Created temporary directory: /tmp/pip-wheel-irlniehr
2021-06-20T15:20:56,226 1 location(s) to search for versions of mcgen:
2021-06-20T15:20:56,226 * https://pypi.org/simple/mcgen/
2021-06-20T15:20:56,226 Fetching project page and analyzing links: https://pypi.org/simple/mcgen/
2021-06-20T15:20:56,227 Getting page https://pypi.org/simple/mcgen/
2021-06-20T15:20:56,228 Found index url https://pypi.org/simple
2021-06-20T15:20:56,424   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)
2021-06-20T15:20:56,425   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)
2021-06-20T15:20:56,426   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/c4/01/d1073ee5d5479b61172808b1fc97f14dbe245b7f2fa295fc7c82bdcd5642/mcgen-0.2.0-py3-none-any.whl#sha256=fa3a70ab145f90f2c13b4c6b260507c8ddfbee5c1becd8019c9f4945e7efefc4 (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-06-20T15:20:56,427   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/e7/3c/55716248f61210085d80d987bbd5800a83691cbce899db37f208bbe97150/mcgen-0.2.0.tar.gz#sha256=e2d49476c2c01b501f2860e42a8d1c6e6e5bdd1316a081c861ec502320748b98 (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-06-20T15:20:56,428   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/4c/87/e13f981953a29d7968a702be0d100c51d65774004a0e1717dcee5232bf4b/mcgen-0.3.0-py3-none-any.whl#sha256=17af72f6d8fda61c1f5b19396eb7dd18e43834ef8faeab6141ae5bd1a89ed48a (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-06-20T15:20:56,429   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/f7/25/60c3c119b7163ffa970c6707270507bba4fcf656c2534ed85db5f5c2c0e2/mcgen-0.3.0.tar.gz#sha256=b064d9a31121ff8094b090dde43bfe36fc3b08a081d40261b3bdc292fa9444df (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-06-20T15:20:56,429   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/e7/34/b1e8cb1d5e458f0b8b32f53935551ae306c0e9c04d8e5f98f3e4dce48942/mcgen-0.4.0-py3-none-any.whl#sha256=8acef452c47a343c7ad40ba3a4f016d5a2f6b833e77f42317c6456e6d9fe17c1 (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-06-20T15:20:56,430   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/24/43/96733d483f198c0d7d5223a88542b2328caecfe106cc04f5c5d7b625cddd/mcgen-0.4.0.tar.gz#sha256=bee10f02d0f18dc5237e1daced7ebc3775ee898011d7034418ef9afede5fa230 (from https://pypi.org/simple/mcgen/) (requires-python:>=3.8,<4.0)
2021-06-20T15:20:56,430 Skipping link: not a file: https://pypi.org/simple/mcgen/
2021-06-20T15:20:56,431 Given no hashes to check 0 links for project 'mcgen': discarding no candidates
2021-06-20T15:20:56,431 ERROR: Could not find a version that satisfies the requirement mcgen==0.2.0 (from versions: none)
2021-06-20T15:20:56,431 ERROR: No matching distribution found for mcgen==0.2.0
2021-06-20T15:20:56,432 Exception information:
2021-06-20T15:20:56,432 Traceback (most recent call last):
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve
2021-06-20T15:20:56,432     name, crit = self._merge_into_criterion(r, parent=None)
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-06-20T15:20:56,432     raise RequirementsConflicted(criterion)
2021-06-20T15:20:56,432 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('mcgen==0.2.0')
2021-06-20T15:20:56,432 
2021-06-20T15:20:56,432 During handling of the above exception, another exception occurred:
2021-06-20T15:20:56,432 
2021-06-20T15:20:56,432 Traceback (most recent call last):
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 128, in resolve
2021-06-20T15:20:56,432     requirements, max_rounds=try_to_avoid_resolution_too_deep
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve
2021-06-20T15:20:56,432     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 343, in resolve
2021-06-20T15:20:56,432     raise ResolutionImpossible(e.criterion.information)
2021-06-20T15:20:56,432 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('mcgen==0.2.0'), parent=None)]
2021-06-20T15:20:56,432 
2021-06-20T15:20:56,432 The above exception was the direct cause of the following exception:
2021-06-20T15:20:56,432 
2021-06-20T15:20:56,432 Traceback (most recent call last):
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-06-20T15:20:56,432     status = self.run(options, args)
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 204, in wrapper
2021-06-20T15:20:56,432     return func(self, options, args)
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 143, in run
2021-06-20T15:20:56,432     reqs, check_supported_wheels=True
2021-06-20T15:20:56,432   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 136, in resolve
2021-06-20T15:20:56,432     raise error from e
2021-06-20T15:20:56,432 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mcgen==0.2.0
2021-06-20T15:20:56,436 Removed build tracker: '/tmp/pip-req-tracker-r3lu1ujc'