2026-01-12T17:56:32,779 Created temporary directory: /tmp/pip-ephem-wheel-cache-bb1sjzit
2026-01-12T17:56:32,781 Created temporary directory: /tmp/pip-build-tracker-aol736s9
2026-01-12T17:56:32,781 Initialized build tracking at /tmp/pip-build-tracker-aol736s9
2026-01-12T17:56:32,782 Created build tracker: /tmp/pip-build-tracker-aol736s9
2026-01-12T17:56:32,782 Entered build tracker: /tmp/pip-build-tracker-aol736s9
2026-01-12T17:56:32,783 Created temporary directory: /tmp/pip-wheel-gaj1i_m7
2026-01-12T17:56:32,786 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
2026-01-12T17:56:32,789 Created temporary directory: /tmp/pip-ephem-wheel-cache-ei67erey
2026-01-12T17:56:32,814 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-12T17:56:32,817 2 location(s) to search for versions of mcp-arena:
2026-01-12T17:56:32,817 * https://pypi.org/simple/mcp-arena/
2026-01-12T17:56:32,817 * https://www.piwheels.org/simple/mcp-arena/
2026-01-12T17:56:32,818 Fetching project page and analyzing links: https://pypi.org/simple/mcp-arena/
2026-01-12T17:56:32,819 Getting page https://pypi.org/simple/mcp-arena/
2026-01-12T17:56:32,821 Found index url https://pypi.org/simple
2026-01-12T17:56:33,036 Fetched page https://pypi.org/simple/mcp-arena/ as application/vnd.pypi.simple.v1+json
2026-01-12T17:56:33,040   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)
2026-01-12T17:56:33,041   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)
2026-01-12T17:56:33,042   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)
2026-01-12T17:56:33,043   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)
2026-01-12T17:56:33,044   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)
2026-01-12T17:56:33,045   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)
2026-01-12T17:56:33,045   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)
2026-01-12T17:56:33,046   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)
2026-01-12T17:56:33,047   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)
2026-01-12T17:56:33,047   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)
2026-01-12T17:56:33,049   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)
2026-01-12T17:56:33,049   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)
2026-01-12T17:56:33,050   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)
2026-01-12T17:56:33,051   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)
2026-01-12T17:56:33,051   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)
2026-01-12T17:56:33,052   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)
2026-01-12T17:56:33,053   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)
2026-01-12T17:56:33,053   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)
2026-01-12T17:56:33,054   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)
2026-01-12T17:56:33,055   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)
2026-01-12T17:56:33,055   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)
2026-01-12T17:56:33,056   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)
2026-01-12T17:56:33,057   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)
2026-01-12T17:56:33,058   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)
2026-01-12T17:56:33,058   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)
2026-01-12T17:56:33,060   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)
2026-01-12T17:56:33,060   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)
2026-01-12T17:56:33,061 Fetching project page and analyzing links: https://www.piwheels.org/simple/mcp-arena/
2026-01-12T17:56:33,061 Getting page https://www.piwheels.org/simple/mcp-arena/
2026-01-12T17:56:33,063 Found index url https://www.piwheels.org/simple
2026-01-12T17:56:33,256 Fetched page https://www.piwheels.org/simple/mcp-arena/ as text/html
2026-01-12T17:56:33,259   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)
2026-01-12T17:56:33,260   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)
2026-01-12T17:56:33,260   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)
2026-01-12T17:56:33,261   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)
2026-01-12T17:56:33,261   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)
2026-01-12T17:56:33,262   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)
2026-01-12T17:56:33,263   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)
2026-01-12T17:56:33,263 Skipping link: not a file: https://www.piwheels.org/simple/mcp-arena/
2026-01-12T17:56:33,264 Skipping link: not a file: https://pypi.org/simple/mcp-arena/
2026-01-12T17:56:33,285 Given no hashes to check 0 links for project 'mcp-arena': discarding no candidates
2026-01-12T17:56:33,285 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
2026-01-12T17:56:33,287 ERROR: Could not find a version that satisfies the requirement mcp-arena==0.2.1 (from versions: none)
2026-01-12T17:56:33,289 ERROR: No matching distribution found for mcp-arena==0.2.1
2026-01-12T17:56:33,290 Exception information:
2026-01-12T17:56:33,290 Traceback (most recent call last):
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2026-01-12T17:56:33,290     self._add_to_criteria(self.state.criteria, r, parent=None)
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2026-01-12T17:56:33,290     raise RequirementsConflicted(criterion)
2026-01-12T17:56:33,290 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('mcp-arena==0.2.1')
2026-01-12T17:56:33,290 
2026-01-12T17:56:33,290 During handling of the above exception, another exception occurred:
2026-01-12T17:56:33,290 
2026-01-12T17:56:33,290 Traceback (most recent call last):
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2026-01-12T17:56:33,290     result = self._result = resolver.resolve(
2026-01-12T17:56:33,290                             ^^^^^^^^^^^^^^^^^
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2026-01-12T17:56:33,290     state = resolution.resolve(requirements, max_rounds=max_rounds)
2026-01-12T17:56:33,290             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 350, in resolve
2026-01-12T17:56:33,290     raise ResolutionImpossible(e.criterion.information)
2026-01-12T17:56:33,290 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('mcp-arena==0.2.1'), parent=None)]
2026-01-12T17:56:33,290 
2026-01-12T17:56:33,290 The above exception was the direct cause of the following exception:
2026-01-12T17:56:33,290 
2026-01-12T17:56:33,290 Traceback (most recent call last):
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper
2026-01-12T17:56:33,290     status = run_func(*args)
2026-01-12T17:56:33,290              ^^^^^^^^^^^^^^^
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper
2026-01-12T17:56:33,290     return func(self, options, args)
2026-01-12T17:56:33,290            ^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run
2026-01-12T17:56:33,290     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2026-01-12T17:56:33,290                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-12T17:56:33,290   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 101, in resolve
2026-01-12T17:56:33,290     raise error from e
2026-01-12T17:56:33,290 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mcp-arena==0.2.1
2026-01-12T17:56:33,296 Removed build tracker: '/tmp/pip-build-tracker-aol736s9'