2026-01-12T18:06:52,433 Created temporary directory: /tmp/pip-ephem-wheel-cache-j2w7gygk 2026-01-12T18:06:52,435 Created temporary directory: /tmp/pip-build-tracker-r5_3jwdz 2026-01-12T18:06:52,435 Initialized build tracking at /tmp/pip-build-tracker-r5_3jwdz 2026-01-12T18:06:52,436 Created build tracker: /tmp/pip-build-tracker-r5_3jwdz 2026-01-12T18:06:52,436 Entered build tracker: /tmp/pip-build-tracker-r5_3jwdz 2026-01-12T18:06:52,437 Created temporary directory: /tmp/pip-wheel-qsvh40dw 2026-01-12T18:06:52,440 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 2026-01-12T18:06:52,442 Created temporary directory: /tmp/pip-ephem-wheel-cache-z0sgv77b 2026-01-12T18:06:52,468 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-01-12T18:06:52,472 2 location(s) to search for versions of mcp-arena: 2026-01-12T18:06:52,472 * https://pypi.org/simple/mcp-arena/ 2026-01-12T18:06:52,472 * https://www.piwheels.org/simple/mcp-arena/ 2026-01-12T18:06:52,473 Fetching project page and analyzing links: https://pypi.org/simple/mcp-arena/ 2026-01-12T18:06:52,473 Getting page https://pypi.org/simple/mcp-arena/ 2026-01-12T18:06:52,475 Found index url https://pypi.org/simple 2026-01-12T18:06:52,697 Fetched page https://pypi.org/simple/mcp-arena/ as application/vnd.pypi.simple.v1+json 2026-01-12T18:06:52,702 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) 2026-01-12T18:06:52,703 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) 2026-01-12T18:06:52,703 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) 2026-01-12T18:06:52,704 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) 2026-01-12T18:06:52,705 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) 2026-01-12T18:06:52,705 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) 2026-01-12T18:06:52,706 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) 2026-01-12T18:06:52,707 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) 2026-01-12T18:06:52,707 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) 2026-01-12T18:06:52,708 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) 2026-01-12T18:06:52,709 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) 2026-01-12T18:06:52,710 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) 2026-01-12T18:06:52,710 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) 2026-01-12T18:06:52,711 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) 2026-01-12T18:06:52,712 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) 2026-01-12T18:06:52,715 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) 2026-01-12T18:06:52,715 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) 2026-01-12T18:06:52,716 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) 2026-01-12T18:06:52,719 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) 2026-01-12T18:06:52,721 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) 2026-01-12T18:06:52,721 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) 2026-01-12T18:06:52,722 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) 2026-01-12T18:06:52,723 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) 2026-01-12T18:06:52,724 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) 2026-01-12T18:06:52,724 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) 2026-01-12T18:06:52,725 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) 2026-01-12T18:06:52,726 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) 2026-01-12T18:06:52,726 Fetching project page and analyzing links: https://www.piwheels.org/simple/mcp-arena/ 2026-01-12T18:06:52,727 Getting page https://www.piwheels.org/simple/mcp-arena/ 2026-01-12T18:06:52,728 Found index url https://www.piwheels.org/simple 2026-01-12T18:06:52,896 Fetched page https://www.piwheels.org/simple/mcp-arena/ as text/html 2026-01-12T18:06:52,901 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) 2026-01-12T18:06:52,901 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) 2026-01-12T18:06:52,902 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) 2026-01-12T18:06:52,903 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) 2026-01-12T18:06:52,903 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) 2026-01-12T18:06:52,904 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) 2026-01-12T18:06:52,905 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) 2026-01-12T18:06:52,905 Skipping link: not a file: https://www.piwheels.org/simple/mcp-arena/ 2026-01-12T18:06:52,906 Skipping link: not a file: https://pypi.org/simple/mcp-arena/ 2026-01-12T18:06:52,933 Given no hashes to check 0 links for project 'mcp-arena': discarding no candidates 2026-01-12T18:06:52,934 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 2026-01-12T18:06:52,936 ERROR: Could not find a version that satisfies the requirement mcp-arena==0.2.2 (from versions: none) 2026-01-12T18:06:52,938 ERROR: No matching distribution found for mcp-arena==0.2.2 2026-01-12T18:06:52,940 Exception information: 2026-01-12T18:06:52,940 Traceback (most recent call last): 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2026-01-12T18:06:52,940 self._add_to_criteria(self.state.criteria, r, parent=None) 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria 2026-01-12T18:06:52,940 raise RequirementsConflicted(criterion) 2026-01-12T18:06:52,940 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('mcp-arena==0.2.2') 2026-01-12T18:06:52,940 2026-01-12T18:06:52,940 During handling of the above exception, another exception occurred: 2026-01-12T18:06:52,940 2026-01-12T18:06:52,940 Traceback (most recent call last): 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve 2026-01-12T18:06:52,940 result = self._result = resolver.resolve( 2026-01-12T18:06:52,940 ^^^^^^^^^^^^^^^^^ 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2026-01-12T18:06:52,940 state = resolution.resolve(requirements, max_rounds=max_rounds) 2026-01-12T18:06:52,940 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 350, in resolve 2026-01-12T18:06:52,940 raise ResolutionImpossible(e.criterion.information) 2026-01-12T18:06:52,940 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('mcp-arena==0.2.2'), parent=None)] 2026-01-12T18:06:52,940 2026-01-12T18:06:52,940 The above exception was the direct cause of the following exception: 2026-01-12T18:06:52,940 2026-01-12T18:06:52,940 Traceback (most recent call last): 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper 2026-01-12T18:06:52,940 status = run_func(*args) 2026-01-12T18:06:52,940 ^^^^^^^^^^^^^^^ 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper 2026-01-12T18:06:52,940 return func(self, options, args) 2026-01-12T18:06:52,940 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run 2026-01-12T18:06:52,940 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2026-01-12T18:06:52,940 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-12T18:06:52,940 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 101, in resolve 2026-01-12T18:06:52,940 raise error from e 2026-01-12T18:06:52,940 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mcp-arena==0.2.2 2026-01-12T18:06:52,945 Removed build tracker: '/tmp/pip-build-tracker-r5_3jwdz'