2022-04-26T12:30:29,668 Created temporary directory: /tmp/pip-ephem-wheel-cache-t36jussk 2022-04-26T12:30:29,674 Created temporary directory: /tmp/pip-req-tracker-kps01dwr 2022-04-26T12:30:29,675 Initialized build tracking at /tmp/pip-req-tracker-kps01dwr 2022-04-26T12:30:29,675 Created build tracker: /tmp/pip-req-tracker-kps01dwr 2022-04-26T12:30:29,675 Entered build tracker: /tmp/pip-req-tracker-kps01dwr 2022-04-26T12:30:29,677 Created temporary directory: /tmp/pip-wheel-lhjmx8s5 2022-04-26T12:30:29,739 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-04-26T12:30:29,753 2 location(s) to search for versions of pip-pin: 2022-04-26T12:30:29,753 * https://pypi.org/simple/pip-pin/ 2022-04-26T12:30:29,753 * https://www.piwheels.org/simple/pip-pin/ 2022-04-26T12:30:29,754 Fetching project page and analyzing links: https://pypi.org/simple/pip-pin/ 2022-04-26T12:30:29,755 Getting page https://pypi.org/simple/pip-pin/ 2022-04-26T12:30:29,758 Found index url https://pypi.org/simple 2022-04-26T12:30:29,895 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/f3/be/c912cfed75abfb825a06b804ab5aef3d6273f6d0de2cc56cf63becd0b7b7/pip_pin-0.0.1-py3-none-any.whl#sha256=bd3956eb5011825c4bb97040d96d7f9c84a4b9e25bfe9da66e1da4889c6837ea (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,895 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/bd/2d/859b924eba29ed47a33ddaad636ce231f117031e4c57e979aa0c1d8a7ee5/pip_pin-0.0.2-py3-none-any.whl#sha256=80e9c1b702fcd6d89c2fc5416c2826a1cc89bcba2efb10313955ecd38e24a629 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,896 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/72/99/b341a6eca9f91da783b905fbf9a3ca7aa596e0ba6ba225f45bab99b4de2d/pip_pin-0.0.3-py3-none-any.whl#sha256=17897d53be5e0476f7872dc1ac2a2474d3f38e0938fbf023bccfe82c87fd9d82 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,897 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/21/aa/eef92c4625dd8be64c183f38078278e1d3393989969e0440a81ddd969dad/pip_pin-0.0.4-py3-none-any.whl#sha256=a59ab6b42b74e980f04334ff883355bfab8c17f838bd1e30faddd68e45e84563 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,897 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/15/28/cb9226625ccca466f9d97a8e656387542414be354967a0801f03bc00e1b5/pip_pin-0.0.5-py3-none-any.whl#sha256=2b02fe43a785e84d9353beaae357e1057455d81fe816ca8fc71f6c8b48fd6518 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,898 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/8c/fb/5c27fbda2509df6de6149b76e4c51d7b152144d0135bfc57d18f89e7faf9/pip_pin-0.0.6-py3-none-any.whl#sha256=a2204c37733f67cff611ea036395242945c696c5c3458d32fdaee2f599d76661 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,900 Found link https://files.pythonhosted.org/packages/10/aa/326eec29a43c7d2dc30d465aedc37af00ac4ab1ca7cd8311350e96f8f830/pip-pin-0.0.6.post1.tar.gz#sha256=67ad5e89ee59082f422bfe86612e23bf52b05f2752bba4021847f90c66fe4fb9 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6), version: 0.0.6.post1 2022-04-26T12:30:29,900 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/ee/a0/cd7662c522b47e082d2efdf5b1cf611d85620bfce9a25aae8ed5d6414310/pip_pin-0.0.6.post1-py3-none-any.whl#sha256=0af48c3e8f7074cb7131403d19293da979207b885103fadf26a197c559b06c13 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,902 Found link https://files.pythonhosted.org/packages/02/f2/ec30b6f6808a5c8d5b906fcdcb71fdd444d1e24df23dae81f2f39cb4f644/pip-pin-0.0.6.post2.tar.gz#sha256=17e4b7fc67ed526f104d5c43424fdc9a04d22d3c0f469d9e4dc9a268625d16aa (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6), version: 0.0.6.post2 2022-04-26T12:30:29,903 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/aa/61/6c26a08f2a800cc643cbf58edf64a6599192238e577a4c18710e3ae0b949/pip_pin-0.0.6.post2-py3-none-any.whl#sha256=4ee14a5ce67bff4f0e1a08cc295612ee659c29d4db7f54b3d0a9cd132696804b (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,904 Found link https://files.pythonhosted.org/packages/9d/97/5df4bed0b615a6a1bfcb2d38c9469fd513a19075d34d6038dfad26244a44/pip-pin-0.0.6.post3.tar.gz#sha256=3e80058db862cc4cdf1c347e7df0b8b2a684c39ffbae8a534b9d3f9fe13e61b5 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6), version: 0.0.6.post3 2022-04-26T12:30:29,905 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/9f/4e/519ca3082c20238d9bbc4fff95d2a28228bce829b44ae253a5386532db43/pip_pin-0.0.6.post3-py3-none-any.whl#sha256=5cb4d2a33679c84bf50beca5ca76299b1f663ebd33eaf3c273fce4046825fc64 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,906 Found link https://files.pythonhosted.org/packages/7b/05/0f0fd38bc4627426b10465ea6fea805d352ded787a958ea75c362993fae6/pip-pin-0.0.7.tar.gz#sha256=fa5f66f44250d1299075087087e0ea23819594d1e8f91725bdd776086e0e230e (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6), version: 0.0.7 2022-04-26T12:30:29,907 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/72/6d/d1d87641662b8b458caa17cf9455d31ddb670e809de09c082db7a4b848f7/pip_pin-0.0.7-py3-none-any.whl#sha256=476e7859882258453783a648de5939ea72549e361f28d3967b83ba5fb4e5e453 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,908 Found link https://files.pythonhosted.org/packages/02/06/c7d533558d469182120fbf4c163f4c3748bd7b3ec9af684d00f1e7d1b507/pip-pin-0.0.8.tar.gz#sha256=181c5b3af33e4c0088fae255d00327391214170ee3d3a322e2f5e3341c215fc4 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6), version: 0.0.8 2022-04-26T12:30:29,909 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/51/54/b7c5ae49789a619cfe4f781be9921761cbbc722c13286bbd1a17e2e4b213/pip_pin-0.0.8-py3-none-any.whl#sha256=4602966dab9413308d5dea3d6dd8cd070bf3fb6804107420493a776a5b22f645 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:29,910 Fetching project page and analyzing links: https://www.piwheels.org/simple/pip-pin/ 2022-04-26T12:30:29,910 Getting page https://www.piwheels.org/simple/pip-pin/ 2022-04-26T12:30:29,912 Found index url https://www.piwheels.org/simple 2022-04-26T12:30:30,131 Skipping link: No binaries permitted for pip-pin: https://www.piwheels.org/simple/pip-pin/pip_pin-0.0.6.post3-py3-none-any.whl#sha256=5cb4d2a33679c84bf50beca5ca76299b1f663ebd33eaf3c273fce4046825fc64 (from https://www.piwheels.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:30,132 Skipping link: No binaries permitted for pip-pin: https://www.piwheels.org/simple/pip-pin/pip_pin-0.0.6.post2-py3-none-any.whl#sha256=4ee14a5ce67bff4f0e1a08cc295612ee659c29d4db7f54b3d0a9cd132696804b (from https://www.piwheels.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:30,132 Skipping link: No binaries permitted for pip-pin: https://www.piwheels.org/simple/pip-pin/pip_pin-0.0.6.post1-py3-none-any.whl#sha256=0af48c3e8f7074cb7131403d19293da979207b885103fadf26a197c559b06c13 (from https://www.piwheels.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-26T12:30:30,133 Skipping link: not a file: https://www.piwheels.org/simple/pip-pin/ 2022-04-26T12:30:30,133 Skipping link: not a file: https://pypi.org/simple/pip-pin/ 2022-04-26T12:30:30,168 Given no hashes to check 1 links for project 'pip-pin': discarding no candidates 2022-04-26T12:30:30,200 Collecting pip-pin==0.0.8 2022-04-26T12:30:30,204 Created temporary directory: /tmp/pip-unpack-7dwt3dnb 2022-04-26T12:30:30,433 Downloading pip-pin-0.0.8.tar.gz (4.9 kB) 2022-04-26T12:30:30,508 Added pip-pin==0.0.8 from https://files.pythonhosted.org/packages/02/06/c7d533558d469182120fbf4c163f4c3748bd7b3ec9af684d00f1e7d1b507/pip-pin-0.0.8.tar.gz#sha256=181c5b3af33e4c0088fae255d00327391214170ee3d3a322e2f5e3341c215fc4 to build tracker '/tmp/pip-req-tracker-kps01dwr' 2022-04-26T12:30:30,518 Created temporary directory: /tmp/pip-build-env-4dbpvmbd 2022-04-26T12:30:30,531 Created temporary directory: /tmp/pip-standalone-pip-mew6vqxl 2022-04-26T12:30:32,725 Installing build dependencies: started 2022-04-26T12:30:32,727 Running command pip subprocess to install build dependencies 2022-04-26T12:30:42,798 Using pip 22.0.4 from /tmp/pip-standalone-pip-mew6vqxl/__env_pip__.zip/pip (python 3.7) 2022-04-26T12:30:44,192 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-04-26T12:30:48,186 Collecting setuptools>=40.8.0 2022-04-26T12:30:48,442 Using cached https://www.piwheels.org/simple/setuptools/setuptools-62.1.0-py3-none-any.whl (1.1 MB) 2022-04-26T12:30:49,084 Collecting wheel 2022-04-26T12:30:49,117 Using cached https://www.piwheels.org/simple/wheel/wheel-0.37.1-py2.py3-none-any.whl (35 kB) 2022-04-26T12:30:53,903 Installing collected packages: wheel, setuptools 2022-04-26T12:30:54,170 Creating /tmp/pip-build-env-4dbpvmbd/overlay/bin 2022-04-26T12:30:54,174 changing mode of /tmp/pip-build-env-4dbpvmbd/overlay/bin/wheel to 755 2022-04-26T12:30:58,495 Successfully installed setuptools-62.1.0 wheel-0.37.1 2022-04-26T12:30:59,136 Installing build dependencies: finished with status 'done' 2022-04-26T12:30:59,163 Getting requirements to build wheel: started 2022-04-26T12:30:59,165 Running command Getting requirements to build wheel 2022-04-26T12:31:00,694 Getting requirements to build wheel: finished with status 'done' 2022-04-26T12:31:00,736 Created temporary directory: /tmp/pip-standalone-pip-spmsqjm0 2022-04-26T12:31:02,855 Installing backend dependencies: started 2022-04-26T12:31:02,858 Running command pip subprocess to install backend dependencies 2022-04-26T12:31:13,018 Using pip 22.0.4 from /tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip (python 3.7) 2022-04-26T12:31:14,428 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-04-26T12:31:15,134 Collecting pytest-runner 2022-04-26T12:31:15,190 Using cached https://www.piwheels.org/simple/pytest-runner/pytest_runner-6.0.0-py3-none-any.whl (7.2 kB) 2022-04-26T12:31:15,363 Collecting pip-pin 2022-04-26T12:31:15,467 Downloading pip-pin-0.0.8.tar.gz (4.9 kB) 2022-04-26T12:31:15,579 ERROR: Exception: 2022-04-26T12:31:15,579 Traceback (most recent call last): 2022-04-26T12:31:15,580 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/cli/base_command.py", line 167, in exc_logging_wrapper 2022-04-26T12:31:15,580 status = run_func(*args) 2022-04-26T12:31:15,580 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/cli/req_command.py", line 205, in wrapper 2022-04-26T12:31:15,581 return func(self, options, args) 2022-04-26T12:31:15,581 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/commands/install.py", line 340, in run 2022-04-26T12:31:15,581 reqs, check_supported_wheels=not options.target_dir 2022-04-26T12:31:15,582 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve 2022-04-26T12:31:15,582 collected.requirements, max_rounds=try_to_avoid_resolution_too_deep 2022-04-26T12:31:15,582 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2022-04-26T12:31:15,583 state = resolution.resolve(requirements, max_rounds=max_rounds) 2022-04-26T12:31:15,583 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2022-04-26T12:31:15,583 self._add_to_criteria(self.state.criteria, r, parent=None) 2022-04-26T12:31:15,584 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria 2022-04-26T12:31:15,584 if not criterion.candidates: 2022-04-26T12:31:15,584 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_vendor/resolvelib/structs.py", line 151, in __bool__ 2022-04-26T12:31:15,585 return bool(self._sequence) 2022-04-26T12:31:15,585 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__ 2022-04-26T12:31:15,585 return any(self) 2022-04-26T12:31:15,585 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in 2022-04-26T12:31:15,586 return (c for c in iterator if id(c) not in self._incompatible_ids) 2022-04-26T12:31:15,586 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built 2022-04-26T12:31:15,586 candidate = func() 2022-04-26T12:31:15,587 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/factory.py", line 220, in _make_candidate_from_link 2022-04-26T12:31:15,587 version=version, 2022-04-26T12:31:15,587 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 294, in __init__ 2022-04-26T12:31:15,588 version=version, 2022-04-26T12:31:15,588 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 158, in __init__ 2022-04-26T12:31:15,588 self.dist = self._prepare() 2022-04-26T12:31:15,588 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 227, in _prepare 2022-04-26T12:31:15,589 dist = self._prepare_distribution() 2022-04-26T12:31:15,589 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 299, in _prepare_distribution 2022-04-26T12:31:15,589 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2022-04-26T12:31:15,590 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/operations/prepare.py", line 487, in prepare_linked_requirement 2022-04-26T12:31:15,590 return self._prepare_linked_requirement(req, parallel_builds) 2022-04-26T12:31:15,591 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/operations/prepare.py", line 560, in _prepare_linked_requirement 2022-04-26T12:31:15,591 self.build_isolation, 2022-04-26T12:31:15,591 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/operations/prepare.py", line 57, in _get_prepared_distribution 2022-04-26T12:31:15,592 with req_tracker.track(req): 2022-04-26T12:31:15,592 File "/usr/lib/python3.7/contextlib.py", line 112, in __enter__ 2022-04-26T12:31:15,592 return next(self.gen) 2022-04-26T12:31:15,593 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/req/req_tracker.py", line 122, in track 2022-04-26T12:31:15,593 self.add(req) 2022-04-26T12:31:15,594 File "/tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip/_internal/req/req_tracker.py", line 92, in add 2022-04-26T12:31:15,594 raise LookupError(message) 2022-04-26T12:31:15,594 LookupError: https://files.pythonhosted.org/packages/02/06/c7d533558d469182120fbf4c163f4c3748bd7b3ec9af684d00f1e7d1b507/pip-pin-0.0.8.tar.gz#sha256=181c5b3af33e4c0088fae255d00327391214170ee3d3a322e2f5e3341c215fc4 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) is already being built: pip-pin==0.0.8 from https://files.pythonhosted.org/packages/02/06/c7d533558d469182120fbf4c163f4c3748bd7b3ec9af684d00f1e7d1b507/pip-pin-0.0.8.tar.gz#sha256=181c5b3af33e4c0088fae255d00327391214170ee3d3a322e2f5e3341c215fc4 2022-04-26T12:31:16,144 ERROR: [present-diagnostic] pip subprocess to install backend dependencies exited with 2 2022-04-26T12:31:16,185 [bold magenta]full command[/]: [blue]/usr/bin/python3 /tmp/pip-standalone-pip-spmsqjm0/__env_pip__.zip/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-4dbpvmbd/normal --no-warn-script-location -v --no-binary pip-pin --only-binary :none: -i https://pypi.org/simple --extra-index-url https://www.piwheels.org/simple --prefer-binary -- pytest-runner pip-pin[/] 2022-04-26T12:31:16,186 [bold magenta]cwd[/]: \[inherit] 2022-04-26T12:31:16,186 Installing backend dependencies: finished with status 'error' 2022-04-26T12:31:16,206 ERROR: [present-diagnostic] pip subprocess to install backend dependencies exited with 2 2022-04-26T12:31:16,220 Exception information: 2022-04-26T12:31:16,220 Traceback (most recent call last): 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 167, in exc_logging_wrapper 2022-04-26T12:31:16,220 status = run_func(*args) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper 2022-04-26T12:31:16,220 return func(self, options, args) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 145, in run 2022-04-26T12:31:16,220 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve 2022-04-26T12:31:16,220 collected.requirements, max_rounds=try_to_avoid_resolution_too_deep 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2022-04-26T12:31:16,220 state = resolution.resolve(requirements, max_rounds=max_rounds) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2022-04-26T12:31:16,220 self._add_to_criteria(self.state.criteria, r, parent=None) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria 2022-04-26T12:31:16,220 if not criterion.candidates: 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__ 2022-04-26T12:31:16,220 return bool(self._sequence) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__ 2022-04-26T12:31:16,220 return any(self) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in 2022-04-26T12:31:16,220 return (c for c in iterator if id(c) not in self._incompatible_ids) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built 2022-04-26T12:31:16,220 candidate = func() 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 220, in _make_candidate_from_link 2022-04-26T12:31:16,220 version=version, 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 294, in __init__ 2022-04-26T12:31:16,220 version=version, 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 158, in __init__ 2022-04-26T12:31:16,220 self.dist = self._prepare() 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 227, in _prepare 2022-04-26T12:31:16,220 dist = self._prepare_distribution() 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 299, in _prepare_distribution 2022-04-26T12:31:16,220 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 487, in prepare_linked_requirement 2022-04-26T12:31:16,220 return self._prepare_linked_requirement(req, parallel_builds) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 560, in _prepare_linked_requirement 2022-04-26T12:31:16,220 self.build_isolation, 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 58, in _get_prepared_distribution 2022-04-26T12:31:16,220 abstract_dist.prepare_distribution_metadata(finder, build_isolation) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/distributions/sdist.py", line 45, in prepare_distribution_metadata 2022-04-26T12:31:16,220 self._install_build_reqs(finder) 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/distributions/sdist.py", line 109, in _install_build_reqs 2022-04-26T12:31:16,220 finder, missing, "normal", kind="backend dependencies" 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/build_env.py", line 207, in install_requirements 2022-04-26T12:31:16,220 kind=kind, 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/build_env.py", line 264, in _install_requirements 2022-04-26T12:31:16,220 extra_environ=extra_environ, 2022-04-26T12:31:16,220 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess 2022-04-26T12:31:16,220 raise error 2022-04-26T12:31:16,220 pip._internal.exceptions.InstallationSubprocessError: pip subprocess to install backend dependencies exited with 2 2022-04-26T12:31:16,243 Removed pip-pin==0.0.8 from https://files.pythonhosted.org/packages/02/06/c7d533558d469182120fbf4c163f4c3748bd7b3ec9af684d00f1e7d1b507/pip-pin-0.0.8.tar.gz#sha256=181c5b3af33e4c0088fae255d00327391214170ee3d3a322e2f5e3341c215fc4 from build tracker '/tmp/pip-req-tracker-kps01dwr' 2022-04-26T12:31:16,244 Removed build tracker: '/tmp/pip-req-tracker-kps01dwr'