2026-02-08T10:42:06,155 Created temporary directory: /tmp/pip-ephem-wheel-cache-80l1e6fo 2026-02-08T10:42:06,158 Created temporary directory: /tmp/pip-build-tracker-4tllf3fc 2026-02-08T10:42:06,159 Initialized build tracking at /tmp/pip-build-tracker-4tllf3fc 2026-02-08T10:42:06,159 Created build tracker: /tmp/pip-build-tracker-4tllf3fc 2026-02-08T10:42:06,160 Entered build tracker: /tmp/pip-build-tracker-4tllf3fc 2026-02-08T10:42:06,161 Created temporary directory: /tmp/pip-wheel-k0z07lwm 2026-02-08T10:42:06,165 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453 2026-02-08T10:42:06,176 Created temporary directory: /tmp/pip-ephem-wheel-cache-n3biqpsx 2026-02-08T10:42:06,224 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-02-08T10:42:06,238 2 location(s) to search for versions of mcp-arena: 2026-02-08T10:42:06,238 * https://pypi.org/simple/mcp-arena/ 2026-02-08T10:42:06,238 * https://www.piwheels.org/simple/mcp-arena/ 2026-02-08T10:42:06,239 Fetching project page and analyzing links: https://pypi.org/simple/mcp-arena/ 2026-02-08T10:42:06,240 Getting page https://pypi.org/simple/mcp-arena/ 2026-02-08T10:42:06,242 Found index url https://pypi.org/simple 2026-02-08T10:42:06,605 Fetched page https://pypi.org/simple/mcp-arena/ as application/vnd.pypi.simple.v1+json 2026-02-08T10:42:06,611 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/21/43/e1bf52d2a1da599210b6132ee57d15df670b7118493504b547ecb4951477/mcp_arena-0.1.0-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,612 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/22/e6/22e7e8662c880f00cb54873055aa83f7b8c8f8caa1c1cf550339ca2ef0f5/mcp_arena-0.1.0.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,613 Skipping link: 0.1.0 Requires-Python >=3.12: https://files.pythonhosted.org/packages/22/e6/22e7e8662c880f00cb54873055aa83f7b8c8f8caa1c1cf550339ca2ef0f5/mcp_arena-0.1.0.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,614 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/9a/cd/4b6885d99cb7901ff0834caaa1a594ccf3eceac51a8ad47d6bfc2874265d/mcp_arena-0.1.1-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,615 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/24/61/4875bb0a3df55346b048c4da4931b0f53c7c19cd549de7b36c67d9e465dc/mcp_arena-0.1.1.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,622 Skipping link: 0.1.1 Requires-Python >=3.12: https://files.pythonhosted.org/packages/24/61/4875bb0a3df55346b048c4da4931b0f53c7c19cd549de7b36c67d9e465dc/mcp_arena-0.1.1.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,623 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/41/37/b01f9360e2157a1f9cf41319b6eb35aaa3536ad90b938e129c7731fa5551/mcp_arena-0.1.2-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,624 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/23/02/aab2f10702c1aa39fde658d4879066b9332318f7e85ceb195831239e0f70/mcp_arena-0.1.2.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,625 Skipping link: 0.1.2 Requires-Python >=3.12: https://files.pythonhosted.org/packages/23/02/aab2f10702c1aa39fde658d4879066b9332318f7e85ceb195831239e0f70/mcp_arena-0.1.2.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,626 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/26/43/3290574dabb6954f85f6e17e252765d008285b7cf00adc90f664529641bc/mcp_arena-0.1.3-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,627 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/bf/8d/f58e547709ca024540d0e0e785223ef71762c10c04f79e18780c0fe9e5ab/mcp_arena-0.1.3.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,628 Skipping link: 0.1.3 Requires-Python >=3.12: https://files.pythonhosted.org/packages/bf/8d/f58e547709ca024540d0e0e785223ef71762c10c04f79e18780c0fe9e5ab/mcp_arena-0.1.3.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,629 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/44/08/46f75739096bf73bb3c074c2203d92dc9bb0e3502266761835307b8ab8a0/mcp_arena-0.1.4-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,630 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/4a/a5/5f0f35f31ed2f2fd45b3e6d1d2868a7346d1a2ab7293ee40bf9d8eca4cdc/mcp_arena-0.1.4.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,631 Skipping link: 0.1.4 Requires-Python >=3.12: https://files.pythonhosted.org/packages/4a/a5/5f0f35f31ed2f2fd45b3e6d1d2868a7346d1a2ab7293ee40bf9d8eca4cdc/mcp_arena-0.1.4.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,631 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/bf/4c/0b78e867bd097975457c8ffd570ba63347bcd910aa1de2f728e279c73af7/mcp_arena-0.1.5-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,633 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/40/b8/c54a27fe84bbf464703255402b0ab461cc49fdece9f1065abaa609f044ba/mcp_arena-0.1.5.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,633 Skipping link: 0.1.5 Requires-Python >=3.12: https://files.pythonhosted.org/packages/40/b8/c54a27fe84bbf464703255402b0ab461cc49fdece9f1065abaa609f044ba/mcp_arena-0.1.5.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,634 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/bb/3a/9f8f2fe83c901ae1eaf1a8c999dee970703baa3a033065a313b900eecea6/mcp_arena-0.2.0-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,636 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/83/df/d5c5bbdec4f4afc50e42fed58988e8cc17a6e368a03c822734820b2d7a5e/mcp_arena-0.2.0.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,637 Skipping link: 0.2.0 Requires-Python >=3.12: https://files.pythonhosted.org/packages/83/df/d5c5bbdec4f4afc50e42fed58988e8cc17a6e368a03c822734820b2d7a5e/mcp_arena-0.2.0.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,638 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/71/92/b77e1199761a7683c6fc70dbb752d861312f7d7c045da34842f93992a9c9/mcp_arena-0.2.1-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,639 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/df/d8/7b01f5fbf27ef8365088e7ba31c2c264cac341dec7e5b034747786665644/mcp_arena-0.2.1.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,640 Skipping link: 0.2.1 Requires-Python >=3.12: https://files.pythonhosted.org/packages/df/d8/7b01f5fbf27ef8365088e7ba31c2c264cac341dec7e5b034747786665644/mcp_arena-0.2.1.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,641 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/0f/2e/8073320c87fa18923f65a468746fa21dd6897f0829e6842c0ea656e21169/mcp_arena-0.2.2-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,642 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/c1/0e/94bd11cc0443fd9d1156c8d1b537e73d535320024aa00a1d38a27e84d188/mcp_arena-0.2.2.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,643 Skipping link: 0.2.2 Requires-Python >=3.12: https://files.pythonhosted.org/packages/c1/0e/94bd11cc0443fd9d1156c8d1b537e73d535320024aa00a1d38a27e84d188/mcp_arena-0.2.2.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,644 Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/40/2e/6cb1fccc969d73f8f175106e53fd9a8a0b09e29a1fec78301d8cfdf71703/mcp_arena-0.2.3-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,645 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/40/d0/af8cd82b7bf0e4fc04a39fd900671f5fea97721ea99d917379b018f9ffdf/mcp_arena-0.2.3.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,656 Skipping link: 0.2.3 Requires-Python >=3.12: https://files.pythonhosted.org/packages/40/d0/af8cd82b7bf0e4fc04a39fd900671f5fea97721ea99d917379b018f9ffdf/mcp_arena-0.2.3.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,657 Fetching project page and analyzing links: https://www.piwheels.org/simple/mcp-arena/ 2026-02-08T10:42:06,658 Getting page https://www.piwheels.org/simple/mcp-arena/ 2026-02-08T10:42:06,659 Found index url https://www.piwheels.org/simple 2026-02-08T10:42:06,857 Fetched page https://www.piwheels.org/simple/mcp-arena/ as text/html 2026-02-08T10:42:06,861 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.2.2-py3-none-any.whl#sha256=767316f955031987e93af8b7e97af3e6f582e73ee57d55de5367bab99215e343 (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,862 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.2.1-py3-none-any.whl#sha256=e2c931654da01ab74fc7cb2d6b143964ea5f38b4c5d32a6af7b34643815b6d0d (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,863 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.2.0-py3-none-any.whl#sha256=8cdc5c9a4308c99bda3896a82e96d4af566263de9e664cd0357c5bd6d8b3a3b5 (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,864 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.1.5-py3-none-any.whl#sha256=b6c0cef87603866ddfd9fe90e65af3404d347d5efeb9e0a92890eadb5ea568ad (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,865 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.1.4-py3-none-any.whl#sha256=7654cd52465b454c1e49deccc0db42cec92030ed4dd0c3c0279e453c94a14068 (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,866 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.1.3-py3-none-any.whl#sha256=5a5aaa8a66037baa8a1de860cc4ed3a5ee22ebb0abd4cba82d568dfc78fbaf93 (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,867 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.1.2-py3-none-any.whl#sha256=5534e0868e4f5718a1cb96cd85fafac0e742a9887440d179de0cb103f80e1c78 (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,867 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.1.1-py3-none-any.whl#sha256=124aa6c7b4325a2646495b2822504bee6690e31ac89c0dcd98e4818b69ab4452 (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,868 Skipping link: No binaries permitted for mcp-arena: https://www.piwheels.org/simple/mcp-arena/mcp_arena-0.1.0-py3-none-any.whl#sha256=efb78da3b3166afa3cfd561e68a336abb43eb9f3dcdf055c86c962e99305023b (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12) 2026-02-08T10:42:06,869 Skipping link: not a file: https://www.piwheels.org/simple/mcp-arena/ 2026-02-08T10:42:06,870 Skipping link: not a file: https://pypi.org/simple/mcp-arena/ 2026-02-08T10:42:06,894 Given no hashes to check 0 links for project 'mcp-arena': discarding no candidates 2026-02-08T10:42:06,896 ERROR: Ignored the following versions that require a different python version: 0.1.0 Requires-Python >=3.12; 0.1.1 Requires-Python >=3.12; 0.1.2 Requires-Python >=3.12; 0.1.3 Requires-Python >=3.12; 0.1.4 Requires-Python >=3.12; 0.1.5 Requires-Python >=3.12; 0.2.0 Requires-Python >=3.12; 0.2.1 Requires-Python >=3.12; 0.2.2 Requires-Python >=3.12; 0.2.3 Requires-Python >=3.12 2026-02-08T10:42:06,897 ERROR: Could not find a version that satisfies the requirement mcp-arena==0.2.3 (from versions: none) 2026-02-08T10:42:06,899 ERROR: No matching distribution found for mcp-arena==0.2.3 2026-02-08T10:42:06,901 Exception information: 2026-02-08T10:42:06,901 Traceback (most recent call last): 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2026-02-08T10:42:06,901 self._add_to_criteria(self.state.criteria, r, parent=None) 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria 2026-02-08T10:42:06,901 raise RequirementsConflicted(criterion) 2026-02-08T10:42:06,901 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('mcp-arena==0.2.3') 2026-02-08T10:42:06,901 2026-02-08T10:42:06,901 During handling of the above exception, another exception occurred: 2026-02-08T10:42:06,901 2026-02-08T10:42:06,901 Traceback (most recent call last): 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve 2026-02-08T10:42:06,901 result = self._result = resolver.resolve( 2026-02-08T10:42:06,901 ^^^^^^^^^^^^^^^^^ 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2026-02-08T10:42:06,901 state = resolution.resolve(requirements, max_rounds=max_rounds) 2026-02-08T10:42:06,901 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 350, in resolve 2026-02-08T10:42:06,901 raise ResolutionImpossible(e.criterion.information) 2026-02-08T10:42:06,901 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('mcp-arena==0.2.3'), parent=None)] 2026-02-08T10:42:06,901 2026-02-08T10:42:06,901 The above exception was the direct cause of the following exception: 2026-02-08T10:42:06,901 2026-02-08T10:42:06,901 Traceback (most recent call last): 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper 2026-02-08T10:42:06,901 status = run_func(*args) 2026-02-08T10:42:06,901 ^^^^^^^^^^^^^^^ 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper 2026-02-08T10:42:06,901 return func(self, options, args) 2026-02-08T10:42:06,901 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run 2026-02-08T10:42:06,901 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2026-02-08T10:42:06,901 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-02-08T10:42:06,901 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 101, in resolve 2026-02-08T10:42:06,901 raise error from e 2026-02-08T10:42:06,901 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mcp-arena==0.2.3 2026-02-08T10:42:06,908 Removed build tracker: '/tmp/pip-build-tracker-4tllf3fc'