2026-04-03T16:55:56,426 Created temporary directory: /tmp/pip-ephem-wheel-cache-tv2wn8_4
2026-04-03T16:55:56,428 Created temporary directory: /tmp/pip-build-tracker-9p9q12gc
2026-04-03T16:55:56,428 Initialized build tracking at /tmp/pip-build-tracker-9p9q12gc
2026-04-03T16:55:56,429 Created build tracker: /tmp/pip-build-tracker-9p9q12gc
2026-04-03T16:55:56,429 Entered build tracker: /tmp/pip-build-tracker-9p9q12gc
2026-04-03T16:55:56,430 Created temporary directory: /tmp/pip-wheel-08x9aw3_
2026-04-03T16:55:56,434 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
2026-04-03T16:55:56,436 Created temporary directory: /tmp/pip-ephem-wheel-cache-mhwjswm_
2026-04-03T16:55:56,458 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-03T16:55:56,461 2 location(s) to search for versions of mcp-arena:
2026-04-03T16:55:56,461 * https://pypi.org/simple/mcp-arena/
2026-04-03T16:55:56,461 * https://www.piwheels.org/simple/mcp-arena/
2026-04-03T16:55:56,462 Fetching project page and analyzing links: https://pypi.org/simple/mcp-arena/
2026-04-03T16:55:56,463 Getting page https://pypi.org/simple/mcp-arena/
2026-04-03T16:55:56,464 Found index url https://pypi.org/simple
2026-04-03T16:55:56,706 Fetched page https://pypi.org/simple/mcp-arena/ as application/vnd.pypi.simple.v1+json
2026-04-03T16:55:56,713   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)
2026-04-03T16:55:56,714   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)
2026-04-03T16:55:56,715   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)
2026-04-03T16:55:56,715   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)
2026-04-03T16:55:56,716   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)
2026-04-03T16:55:56,717   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)
2026-04-03T16:55:56,718   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)
2026-04-03T16:55:56,719   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)
2026-04-03T16:55:56,719   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)
2026-04-03T16:55:56,720   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)
2026-04-03T16:55:56,721   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)
2026-04-03T16:55:56,722   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)
2026-04-03T16:55:56,722   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)
2026-04-03T16:55:56,723   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)
2026-04-03T16:55:56,723   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)
2026-04-03T16:55:56,724   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)
2026-04-03T16:55:56,725   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)
2026-04-03T16:55:56,725   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)
2026-04-03T16:55:56,726   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)
2026-04-03T16:55:56,727   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)
2026-04-03T16:55:56,728   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)
2026-04-03T16:55:56,728   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)
2026-04-03T16:55:56,729   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)
2026-04-03T16:55:56,730   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)
2026-04-03T16:55:56,730   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)
2026-04-03T16:55:56,732   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)
2026-04-03T16:55:56,732   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)
2026-04-03T16:55:56,733   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)
2026-04-03T16:55:56,733   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)
2026-04-03T16:55:56,734   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)
2026-04-03T16:55:56,734   Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/0d/de/50f34d9361e568db1e8ee3b5f9afb6b54ce4bb6d27a98634ef90dfe6b17e/mcp_arena-0.2.4-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,735   Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/7d/85/e967a97ce42e9a08b71cd3fa10d81ee01a8dcf674d79c7721d3fa049403b/mcp_arena-0.2.4.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,736   Skipping link: 0.2.4 Requires-Python >=3.12: https://files.pythonhosted.org/packages/7d/85/e967a97ce42e9a08b71cd3fa10d81ee01a8dcf674d79c7721d3fa049403b/mcp_arena-0.2.4.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,737   Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/54/c1/05bb9f6118eb99fe7a1729ea072c17ad4adf4fa0a83748d1419437e84611/mcp_arena-0.2.5-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,738   Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/de/f2/8ec084c16d1d63b452ef6b3233cbc8dad6c1785968ab824a3677d3933a95/mcp_arena-0.2.5.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,738   Skipping link: 0.2.5 Requires-Python >=3.12: https://files.pythonhosted.org/packages/de/f2/8ec084c16d1d63b452ef6b3233cbc8dad6c1785968ab824a3677d3933a95/mcp_arena-0.2.5.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,739   Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/34/8e/b21170113d7a2f777201e37da7877c845f572086b5aa634d3bd69ce26d8d/mcp_arena-0.2.6-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,740   Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/5a/9f/cc1a78fc6c35b5e6e2282ed0d8c23f31c5c32aba8e01491ff32c7a3eefed/mcp_arena-0.2.6.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,740   Skipping link: 0.2.6 Requires-Python >=3.12: https://files.pythonhosted.org/packages/5a/9f/cc1a78fc6c35b5e6e2282ed0d8c23f31c5c32aba8e01491ff32c7a3eefed/mcp_arena-0.2.6.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,741   Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/c7/e2/fe58ab046281fe872ca488dd0b527c2e5bf4866aa0bf5ca67c982d27eeb4/mcp_arena-0.2.7-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,742   Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/ad/b7/ef42eb0ddf758451df8efcee802dd9981daeef8d180d878859cfdb0110f1/mcp_arena-0.2.7.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,743   Skipping link: 0.2.7 Requires-Python >=3.12: https://files.pythonhosted.org/packages/ad/b7/ef42eb0ddf758451df8efcee802dd9981daeef8d180d878859cfdb0110f1/mcp_arena-0.2.7.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,743   Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/79/29/2b1cb6d829b2641de48e81c4da484fa54c0432b79a6ea05fa439c46bb829/mcp_arena-0.2.8-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,744   Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/6d/38/da323d8c413466cd1b39179688a01cff5f25f6d65dcf6f2ee83afbd1fd22/mcp_arena-0.2.8.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,744   Skipping link: 0.2.8 Requires-Python >=3.12: https://files.pythonhosted.org/packages/6d/38/da323d8c413466cd1b39179688a01cff5f25f6d65dcf6f2ee83afbd1fd22/mcp_arena-0.2.8.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,745   Skipping link: No binaries permitted for mcp-arena: https://files.pythonhosted.org/packages/be/f8/139b69d1adb39039b672485017b098d9155a8e198a52396c78315541ea68/mcp_arena-0.2.9-py3-none-any.whl (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,746   Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/39/43/4b14e431b679d8f6bc79427f7f2509298b263f3a77054fc11bd5aef9b05f/mcp_arena-0.2.9.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,746   Skipping link: 0.2.9 Requires-Python >=3.12: https://files.pythonhosted.org/packages/39/43/4b14e431b679d8f6bc79427f7f2509298b263f3a77054fc11bd5aef9b05f/mcp_arena-0.2.9.tar.gz (from https://pypi.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,747 Fetching project page and analyzing links: https://www.piwheels.org/simple/mcp-arena/
2026-04-03T16:55:56,748 Getting page https://www.piwheels.org/simple/mcp-arena/
2026-04-03T16:55:56,749 Found index url https://www.piwheels.org/simple
2026-04-03T16:55:56,927 Fetched page https://www.piwheels.org/simple/mcp-arena/ as text/html
2026-04-03T16:55:56,931   Skipping link: No binaries permitted for mcp-arena: https://archive1.piwheels.org/simple/mcp-arena/mcp_arena-0.2.3-py3-none-any.whl#sha256=a5f7afb18572caf20704b726a7d52062b5dafbcf39494d19b0dd6f2acfe775eb (from https://www.piwheels.org/simple/mcp-arena/) (requires-python:>=3.12)
2026-04-03T16:55:56,932   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,932   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,933   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,934   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,934   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,935   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,935   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,936   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,936   Skipping link: No binaries permitted for mcp-arena: https://archive1.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)
2026-04-03T16:55:56,937 Skipping link: not a file: https://www.piwheels.org/simple/mcp-arena/
2026-04-03T16:55:56,937 Skipping link: not a file: https://pypi.org/simple/mcp-arena/
2026-04-03T16:55:56,958 Given no hashes to check 0 links for project 'mcp-arena': discarding no candidates
2026-04-03T16:55:56,959 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; 0.2.4 Requires-Python >=3.12; 0.2.5 Requires-Python >=3.12; 0.2.6 Requires-Python >=3.12; 0.2.7 Requires-Python >=3.12; 0.2.8 Requires-Python >=3.12; 0.2.9 Requires-Python >=3.12
2026-04-03T16:55:56,960 ERROR: Could not find a version that satisfies the requirement mcp-arena==0.2.7 (from versions: none)
2026-04-03T16:55:56,962 ERROR: No matching distribution found for mcp-arena==0.2.7
2026-04-03T16:55:56,963 Exception information:
2026-04-03T16:55:56,963 Traceback (most recent call last):
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2026-04-03T16:55:56,963     self._add_to_criteria(self.state.criteria, r, parent=None)
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2026-04-03T16:55:56,963     raise RequirementsConflicted(criterion)
2026-04-03T16:55:56,963 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('mcp-arena==0.2.7')
2026-04-03T16:55:56,963 
2026-04-03T16:55:56,963 During handling of the above exception, another exception occurred:
2026-04-03T16:55:56,963 
2026-04-03T16:55:56,963 Traceback (most recent call last):
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2026-04-03T16:55:56,963     result = self._result = resolver.resolve(
2026-04-03T16:55:56,963                             ^^^^^^^^^^^^^^^^^
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2026-04-03T16:55:56,963     state = resolution.resolve(requirements, max_rounds=max_rounds)
2026-04-03T16:55:56,963             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 350, in resolve
2026-04-03T16:55:56,963     raise ResolutionImpossible(e.criterion.information)
2026-04-03T16:55:56,963 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('mcp-arena==0.2.7'), parent=None)]
2026-04-03T16:55:56,963 
2026-04-03T16:55:56,963 The above exception was the direct cause of the following exception:
2026-04-03T16:55:56,963 
2026-04-03T16:55:56,963 Traceback (most recent call last):
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper
2026-04-03T16:55:56,963     status = run_func(*args)
2026-04-03T16:55:56,963              ^^^^^^^^^^^^^^^
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper
2026-04-03T16:55:56,963     return func(self, options, args)
2026-04-03T16:55:56,963            ^^^^^^^^^^^^^^^^^^^^^^^^^
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run
2026-04-03T16:55:56,963     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2026-04-03T16:55:56,963                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-04-03T16:55:56,963   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 101, in resolve
2026-04-03T16:55:56,963     raise error from e
2026-04-03T16:55:56,963 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mcp-arena==0.2.7
2026-04-03T16:55:56,969 Removed build tracker: '/tmp/pip-build-tracker-9p9q12gc'