2022-01-21T13:56:24,891 Created temporary directory: /tmp/pip-ephem-wheel-cache-ggk3wulc
2022-01-21T13:56:24,897 Created temporary directory: /tmp/pip-req-tracker-9ns560f2
2022-01-21T13:56:24,898 Initialized build tracking at /tmp/pip-req-tracker-9ns560f2
2022-01-21T13:56:24,898 Created build tracker: /tmp/pip-req-tracker-9ns560f2
2022-01-21T13:56:24,899 Entered build tracker: /tmp/pip-req-tracker-9ns560f2
2022-01-21T13:56:24,900 Created temporary directory: /tmp/pip-wheel-fb3j2ceq
2022-01-21T13:56:24,974 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2022-01-21T13:56:24,980 2 location(s) to search for versions of graphchain:
2022-01-21T13:56:24,980 * https://pypi.org/simple/graphchain/
2022-01-21T13:56:24,980 * https://www.piwheels.org/simple/graphchain/
2022-01-21T13:56:24,981 Fetching project page and analyzing links: https://pypi.org/simple/graphchain/
2022-01-21T13:56:24,982 Getting page https://pypi.org/simple/graphchain/
2022-01-21T13:56:24,985 Found index url https://pypi.org/simple
2022-01-21T13:56:25,185   Found link https://files.pythonhosted.org/packages/f7/a1/b0f9a1f7d5ceef14a1f377d33232733cfed1abe880d363163e0f7e090d47/graphchain-1.0.0.tar.gz#sha256=59a708bd5701ab905716d55f8e280ee94c7b201c2291f8bb21a67d4eec259e88 (from https://pypi.org/simple/graphchain/), version: 1.0.0
2022-01-21T13:56:25,186   Skipping link: No binaries permitted for graphchain: https://files.pythonhosted.org/packages/e8/4d/a23ac756f15767c3725893a18506ada073ab297039e01c2aa9fd10400165/graphchain-1.1.0-py3-none-any.whl#sha256=e604e5326ffa6cf62d333e1ce50018c4fa380ad9598330c2aea38e8930f7b7b8 (from https://pypi.org/simple/graphchain/)
2022-01-21T13:56:25,187   Found link https://files.pythonhosted.org/packages/88/66/abd03a4d0fb929233d4851a08897173799bba9770799cd768336967f2ea9/graphchain-1.1.0.tar.gz#sha256=f34d8cf983a64ec8f2c090395e141f5f464ca335a26a9a166e8146aa7458a86e (from https://pypi.org/simple/graphchain/), version: 1.1.0
2022-01-21T13:56:25,188   Skipping link: No binaries permitted for graphchain: https://files.pythonhosted.org/packages/a9/b3/945e32c1af305b6811639a42b2538fc724198bc6c06bafc1344608a9caa3/graphchain-1.2.0-py3-none-any.whl#sha256=a92a5615509d50482206ed5b19ed96d997a1a2ffb6c4b50dabdd9875ad3c4aa5 (from https://pypi.org/simple/graphchain/) (requires-python:>=3.8,<4.0)
2022-01-21T13:56:25,189   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/e5/2d/c50fa72c8e6308eddcd4f1a40af7e6544f9709990f65bc7f8c80336c25f4/graphchain-1.2.0.tar.gz#sha256=310986742d90c1cb1e33fd51ec641586516b8b3e013712bcc273ad88e37d3811 (from https://pypi.org/simple/graphchain/) (requires-python:>=3.8,<4.0)
2022-01-21T13:56:25,190 Fetching project page and analyzing links: https://www.piwheels.org/simple/graphchain/
2022-01-21T13:56:25,191 Getting page https://www.piwheels.org/simple/graphchain/
2022-01-21T13:56:25,193 Found index url https://www.piwheels.org/simple
2022-01-21T13:56:25,416   Skipping link: No binaries permitted for graphchain: https://www.piwheels.org/simple/graphchain/graphchain-1.0.0-py3-none-any.whl#sha256=dcfdefc91a63dfcd4947fd778356118353f5474b0c62a3133c1d36db61fa4b27 (from https://www.piwheels.org/simple/graphchain/)
2022-01-21T13:56:25,416   Skipping link: No binaries permitted for graphchain: https://www.piwheels.org/simple/graphchain/graphchain-1.1.0-py3-none-any.whl#sha256=e604e5326ffa6cf62d333e1ce50018c4fa380ad9598330c2aea38e8930f7b7b8 (from https://www.piwheels.org/simple/graphchain/)
2022-01-21T13:56:25,417 Skipping link: not a file: https://www.piwheels.org/simple/graphchain/
2022-01-21T13:56:25,418 Skipping link: not a file: https://pypi.org/simple/graphchain/
2022-01-21T13:56:25,452 Given no hashes to check 0 links for project 'graphchain': discarding no candidates
2022-01-21T13:56:25,453 ERROR: Could not find a version that satisfies the requirement graphchain==1.2.0 (from versions: 1.0.0, 1.1.0)
2022-01-21T13:56:25,454 ERROR: No matching distribution found for graphchain==1.2.0
2022-01-21T13:56:25,454 Exception information:
2022-01-21T13:56:25,454 Traceback (most recent call last):
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 349, in resolve
2022-01-21T13:56:25,454     self._add_to_criteria(self.state.criteria, r, parent=None)
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 174, in _add_to_criteria
2022-01-21T13:56:25,454     raise RequirementsConflicted(criterion)
2022-01-21T13:56:25,454 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('graphchain==1.2.0')
2022-01-21T13:56:25,454 
2022-01-21T13:56:25,454 During handling of the above exception, another exception occurred:
2022-01-21T13:56:25,454 
2022-01-21T13:56:25,454 Traceback (most recent call last):
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 93, in resolve
2022-01-21T13:56:25,454     collected.requirements, max_rounds=try_to_avoid_resolution_too_deep
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 482, in resolve
2022-01-21T13:56:25,454     state = resolution.resolve(requirements, max_rounds=max_rounds)
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 351, in resolve
2022-01-21T13:56:25,454     raise ResolutionImpossible(e.criterion.information)
2022-01-21T13:56:25,454 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('graphchain==1.2.0'), parent=None)]
2022-01-21T13:56:25,454 
2022-01-21T13:56:25,454 The above exception was the direct cause of the following exception:
2022-01-21T13:56:25,454 
2022-01-21T13:56:25,454 Traceback (most recent call last):
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 164, in exc_logging_wrapper
2022-01-21T13:56:25,454     status = run_func(*args)
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2022-01-21T13:56:25,454     return func(self, options, args)
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 144, in run
2022-01-21T13:56:25,454     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2022-01-21T13:56:25,454   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 101, in resolve
2022-01-21T13:56:25,454     raise error from e
2022-01-21T13:56:25,454 pip._internal.exceptions.DistributionNotFound: No matching distribution found for graphchain==1.2.0
2022-01-21T13:56:25,462 Removed build tracker: '/tmp/pip-req-tracker-9ns560f2'