2021-07-14T15:18:43,338 Created temporary directory: /tmp/pip-ephem-wheel-cache-r_1lrj0g
2021-07-14T15:18:43,342 Created temporary directory: /tmp/pip-req-tracker-cii6f6ah
2021-07-14T15:18:43,343 Initialized build tracking at /tmp/pip-req-tracker-cii6f6ah
2021-07-14T15:18:43,344 Created build tracker: /tmp/pip-req-tracker-cii6f6ah
2021-07-14T15:18:43,344 Entered build tracker: /tmp/pip-req-tracker-cii6f6ah
2021-07-14T15:18:43,345 Created temporary directory: /tmp/pip-wheel-1vogigup
2021-07-14T15:18:43,420 1 location(s) to search for versions of frelang:
2021-07-14T15:18:43,420 * https://pypi.org/simple/frelang/
2021-07-14T15:18:43,420 Fetching project page and analyzing links: https://pypi.org/simple/frelang/
2021-07-14T15:18:43,421 Getting page https://pypi.org/simple/frelang/
2021-07-14T15:18:43,424 Found index url https://pypi.org/simple
2021-07-14T15:18:43,537   Found link https://files.pythonhosted.org/packages/57/9a/42ef8264300a61ef24b371981f4a45fa317f86cba3edb66c0870ccc31d61/frelang-0.1.0-rc1.tar.gz#sha256=43b36158b7f815172354d718135dc0e69f8cd0fa528f478369728b551971e8fa (from https://pypi.org/simple/frelang/), version: 0.1.0-rc1
2021-07-14T15:18:43,538   Found link https://files.pythonhosted.org/packages/5e/2b/d9e749aac84213f3c6b89c487c017e51532a97d3e9177071bdb61a7f2df0/frelang-0.1.0-rc2.tar.gz#sha256=664a04ae52d9c9c22c95ce3d53e2cf5460d65b07866e9e7be8a83d7fbd46e567 (from https://pypi.org/simple/frelang/), version: 0.1.0-rc2
2021-07-14T15:18:43,539   Found link https://files.pythonhosted.org/packages/03/d0/7ed3d6f37aa06ce0f4b88f66943c56e9399f71a39356e4b0442e83fa25eb/frelang-0.1.0-rc3.tar.gz#sha256=a6a4443ec39581d77a4a9052f3d8d00bb6f7647669355d39c1bc261d24973e7a (from https://pypi.org/simple/frelang/), version: 0.1.0-rc3
2021-07-14T15:18:43,540   Found link https://files.pythonhosted.org/packages/36/a7/50b38d3d17ef521ab2bd5cf113ab7f5aa6d9424b5f812d346e76b61f7f7d/frelang-0.1.0-rc4.tar.gz#sha256=bfbdb19d8710b3cdafbac82a6b3c56255faeadfbf4d5c68be661fd2ff7035c2d (from https://pypi.org/simple/frelang/), version: 0.1.0-rc4
2021-07-14T15:18:43,541 Skipping link: not a file: https://pypi.org/simple/frelang/
2021-07-14T15:18:43,611 Given no hashes to check 1 links for project 'frelang': discarding no candidates
2021-07-14T15:18:43,678 Collecting frelang==0.1.0-rc4
2021-07-14T15:18:43,687   Created temporary directory: /tmp/pip-unpack-4dp32nsv
2021-07-14T15:18:43,909   Downloading frelang-0.1.0-rc4.tar.gz (12 kB)
2021-07-14T15:18:43,965   Added frelang==0.1.0-rc4 from https://files.pythonhosted.org/packages/36/a7/50b38d3d17ef521ab2bd5cf113ab7f5aa6d9424b5f812d346e76b61f7f7d/frelang-0.1.0-rc4.tar.gz#sha256=bfbdb19d8710b3cdafbac82a6b3c56255faeadfbf4d5c68be661fd2ff7035c2d to build tracker '/tmp/pip-req-tracker-cii6f6ah'
2021-07-14T15:18:43,976 ERROR: File "setup.py" not found for legacy project frelang==0.1.0-rc4 from https://files.pythonhosted.org/packages/36/a7/50b38d3d17ef521ab2bd5cf113ab7f5aa6d9424b5f812d346e76b61f7f7d/frelang-0.1.0-rc4.tar.gz#sha256=bfbdb19d8710b3cdafbac82a6b3c56255faeadfbf4d5c68be661fd2ff7035c2d.
2021-07-14T15:18:43,977 Exception information:
2021-07-14T15:18:43,977 Traceback (most recent call last):
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-14T15:18:43,977     status = self.run(options, args)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-14T15:18:43,977     return func(self, options, args)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/commands/wheel.py", line 142, in run
2021-07-14T15:18:43,977     requirement_set = resolver.resolve(
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-07-14T15:18:43,977     result = self._result = resolver.resolve(
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve
2021-07-14T15:18:43,977     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve
2021-07-14T15:18:43,977     name, crit = self._merge_into_criterion(r, parent=None)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _merge_into_criterion
2021-07-14T15:18:43,977     if not criterion.candidates:
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/structs.py", line 139, in __bool__
2021-07-14T15:18:43,977     return bool(self._sequence)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in __bool__
2021-07-14T15:18:43,977     return any(self)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 129, in <genexpr>
2021-07-14T15:18:43,977     return (c for c in iterator if id(c) not in self._incompatible_ids)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 33, in _iter_built
2021-07-14T15:18:43,977     candidate = func()
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 200, in _make_candidate_from_link
2021-07-14T15:18:43,977     self._link_candidate_cache[link] = LinkCandidate(
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__
2021-07-14T15:18:43,977     super().__init__(
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 151, in __init__
2021-07-14T15:18:43,977     self.dist = self._prepare()
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 234, in _prepare
2021-07-14T15:18:43,977     dist = self._prepare_distribution()
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution
2021-07-14T15:18:43,977     return self._factory.preparer.prepare_linked_requirement(
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 508, in prepare_linked_requirement
2021-07-14T15:18:43,977     return self._prepare_linked_requirement(req, parallel_builds)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 570, in _prepare_linked_requirement
2021-07-14T15:18:43,977     dist = _get_prepared_distribution(
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 60, in _get_prepared_distribution
2021-07-14T15:18:43,977     abstract_dist.prepare_distribution_metadata(finder, build_isolation)
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/distributions/sdist.py", line 36, in prepare_distribution_metadata
2021-07-14T15:18:43,977     self.req.prepare_metadata()
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/req/req_install.py", line 549, in prepare_metadata
2021-07-14T15:18:43,977     self.metadata_directory = self._generate_metadata()
2021-07-14T15:18:43,977   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/req/req_install.py", line 520, in _generate_metadata
2021-07-14T15:18:43,977     raise InstallationError(
2021-07-14T15:18:43,977 pip._internal.exceptions.InstallationError: File "setup.py" not found for legacy project frelang==0.1.0-rc4 from https://files.pythonhosted.org/packages/36/a7/50b38d3d17ef521ab2bd5cf113ab7f5aa6d9424b5f812d346e76b61f7f7d/frelang-0.1.0-rc4.tar.gz#sha256=bfbdb19d8710b3cdafbac82a6b3c56255faeadfbf4d5c68be661fd2ff7035c2d.
2021-07-14T15:18:44,008 Removed frelang==0.1.0-rc4 from https://files.pythonhosted.org/packages/36/a7/50b38d3d17ef521ab2bd5cf113ab7f5aa6d9424b5f812d346e76b61f7f7d/frelang-0.1.0-rc4.tar.gz#sha256=bfbdb19d8710b3cdafbac82a6b3c56255faeadfbf4d5c68be661fd2ff7035c2d from build tracker '/tmp/pip-req-tracker-cii6f6ah'
2021-07-14T15:18:44,009 Removed build tracker: '/tmp/pip-req-tracker-cii6f6ah'