2022-02-08T21:13:22,834 Created temporary directory: /tmp/pip-ephem-wheel-cache-l93lt4du
2022-02-08T21:13:22,839 Created temporary directory: /tmp/pip-req-tracker-aocch5qa
2022-02-08T21:13:22,841 Initialized build tracking at /tmp/pip-req-tracker-aocch5qa
2022-02-08T21:13:22,841 Created build tracker: /tmp/pip-req-tracker-aocch5qa
2022-02-08T21:13:22,841 Entered build tracker: /tmp/pip-req-tracker-aocch5qa
2022-02-08T21:13:22,843 Created temporary directory: /tmp/pip-wheel-mgms5vpy
2022-02-08T21:13:22,915 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2022-02-08T21:13:22,921 2 location(s) to search for versions of backport:
2022-02-08T21:13:22,921 * https://pypi.org/simple/backport/
2022-02-08T21:13:22,921 * https://www.piwheels.org/simple/backport/
2022-02-08T21:13:22,922 Fetching project page and analyzing links: https://pypi.org/simple/backport/
2022-02-08T21:13:22,923 Getting page https://pypi.org/simple/backport/
2022-02-08T21:13:22,927 Found index url https://pypi.org/simple
2022-02-08T21:13:23,128   Skipping link: No binaries permitted for backport: https://files.pythonhosted.org/packages/0e/11/b6402492b2423dc4f3b3f832e19834bfa739e492986871ebbf9bc80b8f2c/backport-0.1.0-py3-none-any.whl#sha256=58e9a7b705a3c25262f6ee236c223463d90a08757b1ef69359795b7b491b3fd4 (from https://pypi.org/simple/backport/) (requires-python:>=3.6,<4.0)
2022-02-08T21:13:23,130   Found link https://files.pythonhosted.org/packages/66/b9/730ee06bbffe5fc9e92ac812d83b00f25c1c3bea1990508fe149ee70a0a7/backport-0.1.0.tar.gz#sha256=c74eb8682272bff9367434ddae5e59788a7fd39d834284f4a6c040a0b8138906 (from https://pypi.org/simple/backport/) (requires-python:>=3.6,<4.0), version: 0.1.0
2022-02-08T21:13:23,131   Skipping link: No binaries permitted for backport: https://files.pythonhosted.org/packages/19/0b/5ce3369d6a5aa1472b43e0868840e9f17aa81fe6a2501454a70c7d22e525/backport-0.2.0-py3-none-any.whl#sha256=6cab2c23a55b108791b1ade08ceefb46936f5ad3b6d99ada67056273e41fe4c0 (from https://pypi.org/simple/backport/) (requires-python:>=3.8,<4.0)
2022-02-08T21:13:23,133   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/54/27/77a842c102da7192f9d42cd27a13b543732fb8f2990eb1ac9d5cf733c51b/backport-0.2.0.tar.gz#sha256=75abaafaf60367e0baa9cfb9f0fa997c76821e095467abe28b5935aa3ca32533 (from https://pypi.org/simple/backport/) (requires-python:>=3.8,<4.0)
2022-02-08T21:13:23,133 Fetching project page and analyzing links: https://www.piwheels.org/simple/backport/
2022-02-08T21:13:23,134 Getting page https://www.piwheels.org/simple/backport/
2022-02-08T21:13:23,136 Found index url https://www.piwheels.org/simple
2022-02-08T21:13:23,362 Skipping link: not a file: https://www.piwheels.org/simple/backport/
2022-02-08T21:13:23,363 Skipping link: not a file: https://pypi.org/simple/backport/
2022-02-08T21:13:23,397 Given no hashes to check 0 links for project 'backport': discarding no candidates
2022-02-08T21:13:23,398 ERROR: Could not find a version that satisfies the requirement backport==0.2.0 (from versions: 0.1.0)
2022-02-08T21:13:23,398 ERROR: No matching distribution found for backport==0.2.0
2022-02-08T21:13:23,399 Exception information:
2022-02-08T21:13:23,399 Traceback (most recent call last):
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 349, in resolve
2022-02-08T21:13:23,399     self._add_to_criteria(self.state.criteria, r, parent=None)
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 174, in _add_to_criteria
2022-02-08T21:13:23,399     raise RequirementsConflicted(criterion)
2022-02-08T21:13:23,399 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('backport==0.2.0')
2022-02-08T21:13:23,399 
2022-02-08T21:13:23,399 During handling of the above exception, another exception occurred:
2022-02-08T21:13:23,399 
2022-02-08T21:13:23,399 Traceback (most recent call last):
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 93, in resolve
2022-02-08T21:13:23,399     collected.requirements, max_rounds=try_to_avoid_resolution_too_deep
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 482, in resolve
2022-02-08T21:13:23,399     state = resolution.resolve(requirements, max_rounds=max_rounds)
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 351, in resolve
2022-02-08T21:13:23,399     raise ResolutionImpossible(e.criterion.information)
2022-02-08T21:13:23,399 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('backport==0.2.0'), parent=None)]
2022-02-08T21:13:23,399 
2022-02-08T21:13:23,399 The above exception was the direct cause of the following exception:
2022-02-08T21:13:23,399 
2022-02-08T21:13:23,399 Traceback (most recent call last):
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 164, in exc_logging_wrapper
2022-02-08T21:13:23,399     status = run_func(*args)
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2022-02-08T21:13:23,399     return func(self, options, args)
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 144, in run
2022-02-08T21:13:23,399     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2022-02-08T21:13:23,399   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 101, in resolve
2022-02-08T21:13:23,399     raise error from e
2022-02-08T21:13:23,399 pip._internal.exceptions.DistributionNotFound: No matching distribution found for backport==0.2.0
2022-02-08T21:13:23,407 Removed build tracker: '/tmp/pip-req-tracker-aocch5qa'