2022-04-28T16:46:46,133 Created temporary directory: /tmp/pip-ephem-wheel-cache-aqc9vnn0 2022-04-28T16:46:46,139 Created temporary directory: /tmp/pip-req-tracker-yh81smey 2022-04-28T16:46:46,140 Initialized build tracking at /tmp/pip-req-tracker-yh81smey 2022-04-28T16:46:46,140 Created build tracker: /tmp/pip-req-tracker-yh81smey 2022-04-28T16:46:46,141 Entered build tracker: /tmp/pip-req-tracker-yh81smey 2022-04-28T16:46:46,143 Created temporary directory: /tmp/pip-wheel-srqutn52 2022-04-28T16:46:46,210 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-04-28T16:46:46,225 2 location(s) to search for versions of pip-pin: 2022-04-28T16:46:46,225 * https://pypi.org/simple/pip-pin/ 2022-04-28T16:46:46,225 * https://www.piwheels.org/simple/pip-pin/ 2022-04-28T16:46:46,226 Fetching project page and analyzing links: https://pypi.org/simple/pip-pin/ 2022-04-28T16:46:46,227 Getting page https://pypi.org/simple/pip-pin/ 2022-04-28T16:46:46,230 Found index url https://pypi.org/simple 2022-04-28T16:46:46,350 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) 2022-04-28T16:46:46,351 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) 2022-04-28T16:46:46,352 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) 2022-04-28T16:46:46,352 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) 2022-04-28T16:46:46,353 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) 2022-04-28T16:46:46,353 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) 2022-04-28T16:46:46,355 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 2022-04-28T16:46:46,356 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) 2022-04-28T16:46:46,357 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 2022-04-28T16:46:46,358 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) 2022-04-28T16:46:46,359 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 2022-04-28T16:46:46,360 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) 2022-04-28T16:46:46,361 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 2022-04-28T16:46:46,362 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) 2022-04-28T16:46:46,363 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 2022-04-28T16:46:46,364 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) 2022-04-28T16:46:46,365 Found link https://files.pythonhosted.org/packages/4f/e7/e4536dd07155e8a60b3068b9969f277ef1e5e2a2800d7f124855bb315bb4/pip-pin-0.0.9.tar.gz#sha256=150be3f1e0b566009366514c33cf7e2d7fd7ab9cf6593fc3a84fc8bffa2aca1e (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6), version: 0.0.9 2022-04-28T16:46:46,366 Skipping link: No binaries permitted for pip-pin: https://files.pythonhosted.org/packages/e4/53/ed4c53b23dcce2cd178b8f3e9c73998bc337157ddcfac43f2086ca2858d8/pip_pin-0.0.9-py3-none-any.whl#sha256=bdb63097431a294ef2699ebe31daa224a1653b5765b799977ad1ed3c7bf4b536 (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) 2022-04-28T16:46:46,367 Fetching project page and analyzing links: https://www.piwheels.org/simple/pip-pin/ 2022-04-28T16:46:46,367 Getting page https://www.piwheels.org/simple/pip-pin/ 2022-04-28T16:46:46,370 Found index url https://www.piwheels.org/simple 2022-04-28T16:46:46,592 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) 2022-04-28T16:46:46,593 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) 2022-04-28T16:46:46,593 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) 2022-04-28T16:46:46,594 Skipping link: not a file: https://www.piwheels.org/simple/pip-pin/ 2022-04-28T16:46:46,595 Skipping link: not a file: https://pypi.org/simple/pip-pin/ 2022-04-28T16:46:46,630 Given no hashes to check 1 links for project 'pip-pin': discarding no candidates 2022-04-28T16:46:46,661 Collecting pip-pin==0.0.9 2022-04-28T16:46:46,665 Created temporary directory: /tmp/pip-unpack-r7_wyiwd 2022-04-28T16:46:46,892 Downloading pip-pin-0.0.9.tar.gz (4.0 kB) 2022-04-28T16:46:46,966 Added pip-pin==0.0.9 from https://files.pythonhosted.org/packages/4f/e7/e4536dd07155e8a60b3068b9969f277ef1e5e2a2800d7f124855bb315bb4/pip-pin-0.0.9.tar.gz#sha256=150be3f1e0b566009366514c33cf7e2d7fd7ab9cf6593fc3a84fc8bffa2aca1e to build tracker '/tmp/pip-req-tracker-yh81smey' 2022-04-28T16:46:46,975 Created temporary directory: /tmp/pip-build-env-kdstm12z 2022-04-28T16:46:46,990 Created temporary directory: /tmp/pip-standalone-pip-y5q403ty 2022-04-28T16:46:49,143 Installing build dependencies: started 2022-04-28T16:46:49,145 Running command pip subprocess to install build dependencies 2022-04-28T16:46:59,242 Using pip 22.0.4 from /tmp/pip-standalone-pip-y5q403ty/__env_pip__.zip/pip (python 3.7) 2022-04-28T16:47:00,661 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-04-28T16:47:04,641 Collecting setuptools>=40.8.0 2022-04-28T16:47:04,904 Using cached https://www.piwheels.org/simple/setuptools/setuptools-62.1.0-py3-none-any.whl (1.1 MB) 2022-04-28T16:47:05,546 Collecting wheel 2022-04-28T16:47:05,584 Using cached https://www.piwheels.org/simple/wheel/wheel-0.37.1-py2.py3-none-any.whl (35 kB) 2022-04-28T16:47:10,745 Installing collected packages: wheel, setuptools 2022-04-28T16:47:11,012 Creating /tmp/pip-build-env-kdstm12z/overlay/bin 2022-04-28T16:47:11,017 changing mode of /tmp/pip-build-env-kdstm12z/overlay/bin/wheel to 755 2022-04-28T16:47:15,378 Successfully installed setuptools-62.1.0 wheel-0.37.1 2022-04-28T16:47:16,016 Installing build dependencies: finished with status 'done' 2022-04-28T16:47:16,043 Getting requirements to build wheel: started 2022-04-28T16:47:16,045 Running command Getting requirements to build wheel 2022-04-28T16:47:17,596 Getting requirements to build wheel: finished with status 'done' 2022-04-28T16:47:17,636 Created temporary directory: /tmp/pip-standalone-pip-umo7bxq1 2022-04-28T16:47:19,757 Installing backend dependencies: started 2022-04-28T16:47:19,759 Running command pip subprocess to install backend dependencies 2022-04-28T16:47:29,846 Using pip 22.0.4 from /tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip (python 3.7) 2022-04-28T16:47:31,274 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-04-28T16:47:31,730 Collecting pip-pin 2022-04-28T16:47:31,840 Downloading pip-pin-0.0.9.tar.gz (4.0 kB) 2022-04-28T16:47:31,960 ERROR: Exception: 2022-04-28T16:47:31,961 Traceback (most recent call last): 2022-04-28T16:47:31,961 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/cli/base_command.py", line 167, in exc_logging_wrapper 2022-04-28T16:47:31,962 status = run_func(*args) 2022-04-28T16:47:31,962 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/cli/req_command.py", line 205, in wrapper 2022-04-28T16:47:31,962 return func(self, options, args) 2022-04-28T16:47:31,963 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/commands/install.py", line 340, in run 2022-04-28T16:47:31,963 reqs, check_supported_wheels=not options.target_dir 2022-04-28T16:47:31,963 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve 2022-04-28T16:47:31,963 collected.requirements, max_rounds=try_to_avoid_resolution_too_deep 2022-04-28T16:47:31,964 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2022-04-28T16:47:31,964 state = resolution.resolve(requirements, max_rounds=max_rounds) 2022-04-28T16:47:31,964 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2022-04-28T16:47:31,965 self._add_to_criteria(self.state.criteria, r, parent=None) 2022-04-28T16:47:31,965 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria 2022-04-28T16:47:31,965 if not criterion.candidates: 2022-04-28T16:47:31,966 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_vendor/resolvelib/structs.py", line 151, in __bool__ 2022-04-28T16:47:31,966 return bool(self._sequence) 2022-04-28T16:47:31,966 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__ 2022-04-28T16:47:31,967 return any(self) 2022-04-28T16:47:31,967 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in 2022-04-28T16:47:31,967 return (c for c in iterator if id(c) not in self._incompatible_ids) 2022-04-28T16:47:31,967 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built 2022-04-28T16:47:31,968 candidate = func() 2022-04-28T16:47:31,968 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/factory.py", line 220, in _make_candidate_from_link 2022-04-28T16:47:31,968 version=version, 2022-04-28T16:47:31,969 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 294, in __init__ 2022-04-28T16:47:31,969 version=version, 2022-04-28T16:47:31,969 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 158, in __init__ 2022-04-28T16:47:31,969 self.dist = self._prepare() 2022-04-28T16:47:31,970 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 227, in _prepare 2022-04-28T16:47:31,970 dist = self._prepare_distribution() 2022-04-28T16:47:31,970 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/resolution/resolvelib/candidates.py", line 299, in _prepare_distribution 2022-04-28T16:47:31,971 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2022-04-28T16:47:31,971 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/operations/prepare.py", line 487, in prepare_linked_requirement 2022-04-28T16:47:31,971 return self._prepare_linked_requirement(req, parallel_builds) 2022-04-28T16:47:31,972 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/operations/prepare.py", line 560, in _prepare_linked_requirement 2022-04-28T16:47:31,972 self.build_isolation, 2022-04-28T16:47:31,973 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/operations/prepare.py", line 57, in _get_prepared_distribution 2022-04-28T16:47:31,973 with req_tracker.track(req): 2022-04-28T16:47:31,973 File "/usr/lib/python3.7/contextlib.py", line 112, in __enter__ 2022-04-28T16:47:31,974 return next(self.gen) 2022-04-28T16:47:31,974 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/req/req_tracker.py", line 122, in track 2022-04-28T16:47:31,974 self.add(req) 2022-04-28T16:47:31,975 File "/tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip/_internal/req/req_tracker.py", line 92, in add 2022-04-28T16:47:31,975 raise LookupError(message) 2022-04-28T16:47:31,975 LookupError: https://files.pythonhosted.org/packages/4f/e7/e4536dd07155e8a60b3068b9969f277ef1e5e2a2800d7f124855bb315bb4/pip-pin-0.0.9.tar.gz#sha256=150be3f1e0b566009366514c33cf7e2d7fd7ab9cf6593fc3a84fc8bffa2aca1e (from https://pypi.org/simple/pip-pin/) (requires-python:>= 3.6) is already being built: pip-pin==0.0.9 from https://files.pythonhosted.org/packages/4f/e7/e4536dd07155e8a60b3068b9969f277ef1e5e2a2800d7f124855bb315bb4/pip-pin-0.0.9.tar.gz#sha256=150be3f1e0b566009366514c33cf7e2d7fd7ab9cf6593fc3a84fc8bffa2aca1e 2022-04-28T16:47:32,514 ERROR: [present-diagnostic] pip subprocess to install backend dependencies exited with 2 2022-04-28T16:47:32,555 [bold magenta]full command[/]: [blue]/usr/bin/python3 /tmp/pip-standalone-pip-umo7bxq1/__env_pip__.zip/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-kdstm12z/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 -- pip-pin pytest-runner[/] 2022-04-28T16:47:32,556 [bold magenta]cwd[/]: \[inherit] 2022-04-28T16:47:32,556 Installing backend dependencies: finished with status 'error' 2022-04-28T16:47:32,575 ERROR: [present-diagnostic] pip subprocess to install backend dependencies exited with 2 2022-04-28T16:47:32,589 Exception information: 2022-04-28T16:47:32,589 Traceback (most recent call last): 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 167, in exc_logging_wrapper 2022-04-28T16:47:32,589 status = run_func(*args) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper 2022-04-28T16:47:32,589 return func(self, options, args) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 145, in run 2022-04-28T16:47:32,589 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve 2022-04-28T16:47:32,589 collected.requirements, max_rounds=try_to_avoid_resolution_too_deep 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2022-04-28T16:47:32,589 state = resolution.resolve(requirements, max_rounds=max_rounds) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2022-04-28T16:47:32,589 self._add_to_criteria(self.state.criteria, r, parent=None) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria 2022-04-28T16:47:32,589 if not criterion.candidates: 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__ 2022-04-28T16:47:32,589 return bool(self._sequence) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__ 2022-04-28T16:47:32,589 return any(self) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in 2022-04-28T16:47:32,589 return (c for c in iterator if id(c) not in self._incompatible_ids) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built 2022-04-28T16:47:32,589 candidate = func() 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 220, in _make_candidate_from_link 2022-04-28T16:47:32,589 version=version, 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 294, in __init__ 2022-04-28T16:47:32,589 version=version, 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 158, in __init__ 2022-04-28T16:47:32,589 self.dist = self._prepare() 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 227, in _prepare 2022-04-28T16:47:32,589 dist = self._prepare_distribution() 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 299, in _prepare_distribution 2022-04-28T16:47:32,589 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 487, in prepare_linked_requirement 2022-04-28T16:47:32,589 return self._prepare_linked_requirement(req, parallel_builds) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 560, in _prepare_linked_requirement 2022-04-28T16:47:32,589 self.build_isolation, 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 58, in _get_prepared_distribution 2022-04-28T16:47:32,589 abstract_dist.prepare_distribution_metadata(finder, build_isolation) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/distributions/sdist.py", line 45, in prepare_distribution_metadata 2022-04-28T16:47:32,589 self._install_build_reqs(finder) 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/distributions/sdist.py", line 109, in _install_build_reqs 2022-04-28T16:47:32,589 finder, missing, "normal", kind="backend dependencies" 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/build_env.py", line 207, in install_requirements 2022-04-28T16:47:32,589 kind=kind, 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/build_env.py", line 264, in _install_requirements 2022-04-28T16:47:32,589 extra_environ=extra_environ, 2022-04-28T16:47:32,589 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess 2022-04-28T16:47:32,589 raise error 2022-04-28T16:47:32,589 pip._internal.exceptions.InstallationSubprocessError: pip subprocess to install backend dependencies exited with 2 2022-04-28T16:47:32,608 Removed pip-pin==0.0.9 from https://files.pythonhosted.org/packages/4f/e7/e4536dd07155e8a60b3068b9969f277ef1e5e2a2800d7f124855bb315bb4/pip-pin-0.0.9.tar.gz#sha256=150be3f1e0b566009366514c33cf7e2d7fd7ab9cf6593fc3a84fc8bffa2aca1e from build tracker '/tmp/pip-req-tracker-yh81smey' 2022-04-28T16:47:32,609 Removed build tracker: '/tmp/pip-req-tracker-yh81smey'