2021-03-26T14:56:16,928 Created temporary directory: /tmp/pip-ephem-wheel-cache-nx9x5s4j
2021-03-26T14:56:16,931 Created temporary directory: /tmp/pip-req-tracker-v3kt2la5
2021-03-26T14:56:16,931 Initialized build tracking at /tmp/pip-req-tracker-v3kt2la5
2021-03-26T14:56:16,932 Created build tracker: /tmp/pip-req-tracker-v3kt2la5
2021-03-26T14:56:16,932 Entered build tracker: /tmp/pip-req-tracker-v3kt2la5
2021-03-26T14:56:16,932 Created temporary directory: /tmp/pip-wheel-vunq149_
2021-03-26T14:56:16,968 1 location(s) to search for versions of mailserver-admin:
2021-03-26T14:56:16,968 * https://pypi.org/simple/mailserver-admin/
2021-03-26T14:56:16,968 Fetching project page and analyzing links: https://pypi.org/simple/mailserver-admin/
2021-03-26T14:56:16,969 Getting page https://pypi.org/simple/mailserver-admin/
2021-03-26T14:56:16,970 Found index url https://pypi.org/simple
2021-03-26T14:56:17,060   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/a2/53/b08e0a3e5aa541da98786449fe4841e73d5efa17ed6e90d0d4db13459d57/mailserver-admin-0.9.0.tar.gz#sha256=dd8c287c0be723878fcd2adeddf7bfcf4f520e8a458eead713ffc56a4535a17f (from https://pypi.org/simple/mailserver-admin/) (requires-python:>=3.9)
2021-03-26T14:56:17,074   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/35/94/d00904b91d8b442da683fa6f2b23ce8e884297615a332f5ae099a1d87442/mailserver_admin-0.9.0-py3-none-any.whl#sha256=440b1c02dff10ab06837d459bffbf5a0c8a60907812f5a8dbb3e0c5f528620de (from https://pypi.org/simple/mailserver-admin/) (requires-python:>=3.9)
2021-03-26T14:56:17,074 Given no hashes to check 0 links for project 'mailserver-admin': discarding no candidates
2021-03-26T14:56:17,075 ERROR: Could not find a version that satisfies the requirement mailserver-admin==0.9.0
2021-03-26T14:56:17,075 ERROR: No matching distribution found for mailserver-admin==0.9.0
2021-03-26T14:56:17,075 Exception information:
2021-03-26T14:56:17,075 Traceback (most recent call last):
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 171, in _merge_into_criterion
2021-03-26T14:56:17,075     crit = self.state.criteria[name]
2021-03-26T14:56:17,075 KeyError: 'mailserver-admin'
2021-03-26T14:56:17,075 
2021-03-26T14:56:17,075 During handling of the above exception, another exception occurred:
2021-03-26T14:56:17,075 
2021-03-26T14:56:17,075 Traceback (most recent call last):
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 318, in resolve
2021-03-26T14:56:17,075     name, crit = self._merge_into_criterion(r, parent=None)
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-03-26T14:56:17,075     crit = Criterion.from_requirement(self._p, requirement, parent)
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 83, in from_requirement
2021-03-26T14:56:17,075     raise RequirementsConflicted(criterion)
2021-03-26T14:56:17,075 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('mailserver-admin==0.9.0')
2021-03-26T14:56:17,075 
2021-03-26T14:56:17,075 During handling of the above exception, another exception occurred:
2021-03-26T14:56:17,075 
2021-03-26T14:56:17,075 Traceback (most recent call last):
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 122, in resolve
2021-03-26T14:56:17,075     requirements, max_rounds=try_to_avoid_resolution_too_deep,
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 453, in resolve
2021-03-26T14:56:17,075     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 320, in resolve
2021-03-26T14:56:17,075     raise ResolutionImpossible(e.criterion.information)
2021-03-26T14:56:17,075 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('mailserver-admin==0.9.0'), parent=None)]
2021-03-26T14:56:17,075 
2021-03-26T14:56:17,075 The above exception was the direct cause of the following exception:
2021-03-26T14:56:17,075 
2021-03-26T14:56:17,075 Traceback (most recent call last):
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 189, in _main
2021-03-26T14:56:17,075     status = self.run(options, args)
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 178, in wrapper
2021-03-26T14:56:17,075     return func(self, options, args)
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 159, in run
2021-03-26T14:56:17,075     reqs, check_supported_wheels=True
2021-03-26T14:56:17,075   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-03-26T14:56:17,075     six.raise_from(error, e)
2021-03-26T14:56:17,075   File "<string>", line 3, in raise_from
2021-03-26T14:56:17,075 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mailserver-admin==0.9.0
2021-03-26T14:56:17,080 Removed build tracker: '/tmp/pip-req-tracker-v3kt2la5'