2025-10-16T07:53:05,755 Created temporary directory: /tmp/pip-ephem-wheel-cache-tt2w40_a
2025-10-16T07:53:05,757 Created temporary directory: /tmp/pip-build-tracker-7zp0m8h8
2025-10-16T07:53:05,758 Initialized build tracking at /tmp/pip-build-tracker-7zp0m8h8
2025-10-16T07:53:05,758 Created build tracker: /tmp/pip-build-tracker-7zp0m8h8
2025-10-16T07:53:05,758 Entered build tracker: /tmp/pip-build-tracker-7zp0m8h8
2025-10-16T07:53:05,759 Created temporary directory: /tmp/pip-wheel-a0uk_n6p
2025-10-16T07:53:05,762 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
2025-10-16T07:53:05,765 Created temporary directory: /tmp/pip-ephem-wheel-cache-h4iks17u
2025-10-16T07:53:05,790 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-10-16T07:53:05,793 2 location(s) to search for versions of flashinfer-python:
2025-10-16T07:53:05,793 * https://pypi.org/simple/flashinfer-python/
2025-10-16T07:53:05,793 * https://www.piwheels.org/simple/flashinfer-python/
2025-10-16T07:53:05,794 Fetching project page and analyzing links: https://pypi.org/simple/flashinfer-python/
2025-10-16T07:53:05,795 Getting page https://pypi.org/simple/flashinfer-python/
2025-10-16T07:53:05,796 Found index url https://pypi.org/simple
2025-10-16T07:53:06,008 Fetched page https://pypi.org/simple/flashinfer-python/ as application/vnd.pypi.simple.v1+json
2025-10-16T07:53:06,017   Found link https://files.pythonhosted.org/packages/6c/e9/5d6adcf888922a17c6fc52a0e5bed78785239af1219f41e1073b063a07ff/flashinfer_python-0.2.0.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.0.post1
2025-10-16T07:53:06,018   Found link https://files.pythonhosted.org/packages/c8/39/bac839234a3beaab4292e489b4d8941cc97ba4f76474aff0407d7b05a84f/flashinfer_python-0.2.0.post2.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.0.post2
2025-10-16T07:53:06,020   Found link https://files.pythonhosted.org/packages/94/74/4dda2a7a7aa08bcfb8039faf2202bf0fea6b378d0d4968864737400fc329/flashinfer_python-0.2.1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.1
2025-10-16T07:53:06,021   Found link https://files.pythonhosted.org/packages/7f/3d/aab500609825108d3f6a4b440a7eeb6436d578d3e781e97ea015fd49a530/flashinfer_python-0.2.1.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.1.post1
2025-10-16T07:53:06,022   Found link https://files.pythonhosted.org/packages/30/ac/afd1d2c472857be8f83389eb506e1413a2ac3a603889bea3cf24d5ab5be5/flashinfer_python-0.2.1.post2.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.1.post2
2025-10-16T07:53:06,023   Found link https://files.pythonhosted.org/packages/90/00/833dd50745bc15bb7a7451b77589d444ce963d48c0cb730b4760bfebffad/flashinfer_python-0.2.2.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.2
2025-10-16T07:53:06,024   Found link https://files.pythonhosted.org/packages/02/cc/db9635c56653d3fa5a28f14ac858e0801de621aa33d3b528e4781aee906f/flashinfer_python-0.2.2.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.2.post1
2025-10-16T07:53:06,025   Found link https://files.pythonhosted.org/packages/b6/10/2a63f1d09c5b337705236005dc9ccce513dcc08b7fd037cb40426f1695b1/flashinfer_python-0.2.3.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.3
2025-10-16T07:53:06,027   Found link https://files.pythonhosted.org/packages/a4/e5/8d193ccf65b92c009c4be50fdffa88fa0edc8fd6e6169bacaca6bab84d89/flashinfer_python-0.2.4.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.4
2025-10-16T07:53:06,028   Found link https://files.pythonhosted.org/packages/b2/c4/9ec0f79e2480fc5c93307c4a1ac903e5cf33c551c0eaeb648196234b55af/flashinfer_python-0.2.5.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8), version: 0.2.5
2025-10-16T07:53:06,029   Found link https://files.pythonhosted.org/packages/95/4a/a3109d57463d25a153b16c0d0f06495e4d18b727c81f8e08e42e97faaf45/flashinfer_python-0.2.6.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.6
2025-10-16T07:53:06,030   Found link https://files.pythonhosted.org/packages/34/26/3c6f12ffaefbfa0c453030d6e15941269b3a4ffcd267daec32d1a10dda96/flashinfer_python-0.2.6.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.6.post1
2025-10-16T07:53:06,031   Found link https://files.pythonhosted.org/packages/f9/a0/5e700751f2393a504bc5eb2879e77d783a5b70778a254289711323126abc/flashinfer_python-0.2.7.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.7
2025-10-16T07:53:06,032   Found link https://files.pythonhosted.org/packages/c0/10/43cf1ea7a03ca8e75a185190708e48286e1583d781e93d1de130e5d450ca/flashinfer_python-0.2.7.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.7.post1
2025-10-16T07:53:06,033   Found link https://files.pythonhosted.org/packages/f1/80/8dfae62d04af4597d7615b892f346ace68bcb07dfbef2a9e614219d96a8a/flashinfer_python-0.2.8rc1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.8rc1
2025-10-16T07:53:06,034   Found link https://files.pythonhosted.org/packages/72/0e/827624993516e80f62ba88dd368ad5e180c41324f063c00d27fa638a430e/flashinfer_python-0.2.8.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.8
2025-10-16T07:53:06,035   Found link https://files.pythonhosted.org/packages/17/50/42afc9a81031939140fcbfd93e5a3652dc4995e338b4e6d007b0dda04f93/flashinfer_python-0.2.9rc1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.9rc1
2025-10-16T07:53:06,036   Found link https://files.pythonhosted.org/packages/ed/1a/9f30eda3178ed2f5f7e311ae0011d02c4542d087f84c9247e4b30668b767/flashinfer_python-0.2.9rc2.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.9rc2
2025-10-16T07:53:06,037   Found link https://files.pythonhosted.org/packages/45/fc/4deff13f1420cc6e5871b7505a6c0d9031eb49cd09571ae576aec59bed61/flashinfer_python-0.2.9.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.9
2025-10-16T07:53:06,038   Found link https://files.pythonhosted.org/packages/74/e4/2c6d6a19d13ed13d4863f6900febe72b502334e43292d5fe9a1ac2f6c5be/flashinfer_python-0.2.10.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.10
2025-10-16T07:53:06,040   Found link https://files.pythonhosted.org/packages/72/8b/f315dda5993d1c018ca5ecfef0775c6a3c7a8f59ac426fabb7f3f6b93482/flashinfer_python-0.2.11.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.11
2025-10-16T07:53:06,041   Found link https://files.pythonhosted.org/packages/37/e3/2e8e31f7f7ee26f39968264e4fcf74f9810d90e940859016d974106ed5c6/flashinfer_python-0.2.11.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.11.post1
2025-10-16T07:53:06,042   Found link https://files.pythonhosted.org/packages/b6/01/fa069f076cfe5bed34ddc3b7f772aa09c70e03e572dd9d3569ff887f33b1/flashinfer_python-0.2.11.post2.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.11.post2
2025-10-16T07:53:06,043   Found link https://files.pythonhosted.org/packages/a3/09/5d89ef0bc2d19d3ebcf3b9fa621c945909f681818c9d55aa3181921db874/flashinfer_python-0.2.11.post3.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.11.post3
2025-10-16T07:53:06,044   Found link https://files.pythonhosted.org/packages/b9/5a/7a839afb07af313549b9d9f1057b02aaf067f020267d5a9d128e50596bf4/flashinfer_python-0.2.12.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.12
2025-10-16T07:53:06,045   Found link https://files.pythonhosted.org/packages/f2/20/e79142a9f26aab61b17e2c906a49e9a3d3c656d97608c8773785c3b13140/flashinfer_python-0.2.13.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.13
2025-10-16T07:53:06,046   Found link https://files.pythonhosted.org/packages/ed/26/d1eac56b37d225cb3f84495bd897829dece21f62463487f3c1d9cafe78a0/flashinfer_python-0.2.14.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.14
2025-10-16T07:53:06,047   Found link https://files.pythonhosted.org/packages/94/d4/4a2bf3d49f84b2d975925c1c024790b4e4768bdefbc5e27529d68368355a/flashinfer_python-0.2.14.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.2.14.post1
2025-10-16T07:53:06,048   Found link https://files.pythonhosted.org/packages/56/e3/7c0a4df2640a97ecfed45fe9110ecc6a67d4967278723abf8e6531b6bc1f/flashinfer_python-0.3.0rc1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.3.0rc1
2025-10-16T07:53:06,049   Found link https://files.pythonhosted.org/packages/1f/b4/5c4cbb0f3cbc5e8d4c19b3f163c048eed959a0ac0c603cfb3939a3079c52/flashinfer_python-0.3.0.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.3.0
2025-10-16T07:53:06,050   Found link https://files.pythonhosted.org/packages/59/1b/83a9c58432b4a5d6ff04b97d4873bedfb5e35d38972ca8946b3acdbffeb4/flashinfer_python-0.3.0.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.3.0.post1
2025-10-16T07:53:06,051   Found link https://files.pythonhosted.org/packages/ba/71/dd3001b8be8174d90561764a5f3be4ca219517bde2841189ea6973a3873f/flashinfer_python-0.3.1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.3.1
2025-10-16T07:53:06,052   Found link https://files.pythonhosted.org/packages/49/a7/f5bd3878f94fc47e25ecc0828f910233022366f7e832dfa02f3617fad41f/flashinfer_python-0.3.1.post1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.3.1.post1
2025-10-16T07:53:06,053   Found link https://files.pythonhosted.org/packages/df/b4/f113bb950e5244d1c72c3d73c03fac0db939f085670e3a45a41fe92ffde0/flashinfer_python-0.4.0rc0.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.4.0rc0
2025-10-16T07:53:06,054   Found link https://files.pythonhosted.org/packages/2e/a8/adceccda3aae01b7bdb5f99c68a2b401c58600f34a6386d9489ff736cdbc/flashinfer_python-0.4.0rc1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.4.0rc1
2025-10-16T07:53:06,055   Found link https://files.pythonhosted.org/packages/15/c0/5fb88fc273fed23dbf3b0ef0bffa7db26e2df24e016202df1b4e98b95879/flashinfer_python-0.4.0rc2.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.4.0rc2
2025-10-16T07:53:06,056   Found link https://files.pythonhosted.org/packages/65/91/cf9e3a0a2626711bfab18ea4a4c739e0eb823e9513addc0e9e1b8f929538/flashinfer_python-0.4.0rc3.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.4.0rc3
2025-10-16T07:53:06,057   Found link https://files.pythonhosted.org/packages/94/ec/bdcc0ec502994d544cbe69763d999458ae2deda67e58c1cb2d85867677c4/flashinfer_python-0.4.0rc4.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.4.0rc4
2025-10-16T07:53:06,059   Found link https://files.pythonhosted.org/packages/08/29/f5609be182174e8c97124baeb90bb955fe05e2e1353776f48e226c153214/flashinfer_python-0.4.0.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.4.0
2025-10-16T07:53:06,060   Found link https://files.pythonhosted.org/packages/64/cf/f82142abd7c819fb84a53f18fe1ac9e7cf1af8790b93c06dbf430001473b/flashinfer_python-0.4.1.tar.gz (from https://pypi.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9), version: 0.4.1
2025-10-16T07:53:06,061 Fetching project page and analyzing links: https://www.piwheels.org/simple/flashinfer-python/
2025-10-16T07:53:06,061 Getting page https://www.piwheels.org/simple/flashinfer-python/
2025-10-16T07:53:06,063 Found index url https://www.piwheels.org/simple
2025-10-16T07:53:06,221 Fetched page https://www.piwheels.org/simple/flashinfer-python/ as text/html
2025-10-16T07:53:06,226   Skipping link: No binaries permitted for flashinfer-python: https://www.piwheels.org/simple/flashinfer-python/flashinfer_python-0.4.1-py3-none-any.whl#sha256=8fc8fc3233781e384689c5f202124ae7d266cb8dee14055cbb3c90fca530bf7f (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9)
2025-10-16T07:53:06,226   Skipping link: No binaries permitted for flashinfer-python: https://www.piwheels.org/simple/flashinfer-python/flashinfer_python-0.4.0-py3-none-any.whl#sha256=da0141b2163f9703e49972728eeb502d45eda60c25529a460d0d0d61963eedb2 (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.9)
2025-10-16T07:53:06,227   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.5-py3-none-any.whl#sha256=cb2a17c3ea5f47f8129f6410e2892f30051e15665f2ae54db540c8677c187d31 (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,227   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.4-py3-none-any.whl#sha256=4a85bd6ac785f106f0ad9fe213abf42f96ab84ccd04aec3ab9acf76d47d2aa3f (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,228   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.3-py3-none-any.whl#sha256=b8ead688a4857a2b360c992fb46ae2930fc4c43b50a092b7e42a13b40ee195da (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,228   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.2.post1-py3-none-any.whl#sha256=0097a08376ae147084ea6bd0848fc2ea1764f524c510a48755aa8c63259b4466 (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,229   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.2-py3-none-any.whl#sha256=c109a340b7e60cb57d8c9ccec2c10e303a36b82a56ba8dcaaa0efbee2a48b97f (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,230   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.1.post2-py3-none-any.whl#sha256=dc91f387ba09e4df899238705ec37bbe3648395d828240b77db84378d1b91e9e (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,230   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.1.post1-py3-none-any.whl#sha256=a44b9d872cf2ba6812d3c0750d98ad01b73e9ccbede933c7eade01b6c27b6232 (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,231   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.1-py3-none-any.whl#sha256=e07427d9eff1b8d091b5837c3ffc4fe7885dbf01d271d7225f7a89a2e3925f27 (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,231   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.0.post2-py3-none-any.whl#sha256=52c20b84ef1e848dd49c726ffc27801df8acccb4038aea61a2d73fa685bf75f8 (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,232   Skipping link: No binaries permitted for flashinfer-python: https://archive1.piwheels.org/simple/flashinfer-python/flashinfer_python-0.2.0.post1-py3-none-any.whl#sha256=783c1039e0a7db0478a579d5cc54894def70ae601b1e5b90a3c3de2209334bf3 (from https://www.piwheels.org/simple/flashinfer-python/) (requires-python:<4.0,>=3.8)
2025-10-16T07:53:06,233 Skipping link: not a file: https://www.piwheels.org/simple/flashinfer-python/
2025-10-16T07:53:06,233 Skipping link: not a file: https://pypi.org/simple/flashinfer-python/
2025-10-16T07:53:06,257 Given no hashes to check 1 links for project 'flashinfer-python': discarding no candidates
2025-10-16T07:53:06,275 Collecting flashinfer-python==0.2.8rc1
2025-10-16T07:53:06,277   Created temporary directory: /tmp/pip-unpack-e0_l7c3z
2025-10-16T07:53:07,073   Downloading flashinfer_python-0.2.8rc1.tar.gz (3.3 MB)
2025-10-16T07:53:11,854   Added flashinfer-python==0.2.8rc1 from https://files.pythonhosted.org/packages/f1/80/8dfae62d04af4597d7615b892f346ace68bcb07dfbef2a9e614219d96a8a/flashinfer_python-0.2.8rc1.tar.gz to build tracker '/tmp/pip-build-tracker-7zp0m8h8'
2025-10-16T07:53:11,860   Created temporary directory: /tmp/pip-build-env-s4pkj03k
2025-10-16T07:53:11,864   Installing build dependencies: started
2025-10-16T07:53:11,866   Running command pip subprocess to install build dependencies
2025-10-16T07:53:12,994   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2025-10-16T07:53:13,592   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
2025-10-16T07:53:13,615   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-10-16T07:53:15,354   Collecting setuptools>=77
2025-10-16T07:53:15,544     Using cached https://www.piwheels.org/simple/setuptools/setuptools-80.9.0-py3-none-any.whl (1.2 MB)
2025-10-16T07:53:15,776   Collecting packaging>=24
2025-10-16T07:53:15,792     Using cached https://www.piwheels.org/simple/packaging/packaging-25.0-py3-none-any.whl (66 kB)
2025-10-16T07:53:18,831   Installing collected packages: setuptools, packaging
2025-10-16T07:53:22,623   Successfully installed packaging-25.0 setuptools-80.9.0
2025-10-16T07:53:22,894   Installing build dependencies: finished with status 'done'
2025-10-16T07:53:22,901   Getting requirements to build wheel: started
2025-10-16T07:53:22,902   Running command Getting requirements to build wheel
2025-10-16T07:53:23,451   0 AOT ops found in /tmp/pip-wheel-a0uk_n6p/flashinfer-python_68425724700d476690e8f0bd2bfded3d/aot-ops
2025-10-16T07:53:23,518   Getting requirements to build wheel: finished with status 'done'
2025-10-16T07:53:23,538   Installing backend dependencies: started
2025-10-16T07:53:23,539   Running command pip subprocess to install backend dependencies
2025-10-16T07:53:24,677   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2025-10-16T07:53:25,279   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
2025-10-16T07:53:25,303   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-10-16T07:53:25,913   ERROR: Could not find a version that satisfies the requirement torch (from versions: none)
2025-10-16T07:53:25,914   ERROR: No matching distribution found for torch
2025-10-16T07:53:26,141   ERROR: [present-rich] pip subprocess to install backend dependencies exited with 1
2025-10-16T07:53:26,153   [bold magenta]full command[/]: [blue]/usr/bin/python3 /usr/lib/python3/dist-packages/pip/__pip-runner__.py install --ignore-installed --no-user --prefix /tmp/pip-build-env-s4pkj03k/normal --no-warn-script-location -v --no-binary flashinfer-python --only-binary :none: -i https://pypi.org/simple --extra-index-url https://www.piwheels.org/simple --prefer-binary -- torch numpy ninja[/]
2025-10-16T07:53:26,154   [bold magenta]cwd[/]: \[inherit]
2025-10-16T07:53:26,154   Installing backend dependencies: finished with status 'error'
2025-10-16T07:53:26,156 ERROR: [present-rich] pip subprocess to install backend dependencies exited with 1
2025-10-16T07:53:26,161 Exception information:
2025-10-16T07:53:26,161 Traceback (most recent call last):
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper
2025-10-16T07:53:26,161     status = run_func(*args)
2025-10-16T07:53:26,161              ^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper
2025-10-16T07:53:26,161     return func(self, options, args)
2025-10-16T07:53:26,161            ^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run
2025-10-16T07:53:26,161     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2025-10-16T07:53:26,161                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2025-10-16T07:53:26,161     result = self._result = resolver.resolve(
2025-10-16T07:53:26,161                             ^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2025-10-16T07:53:26,161     state = resolution.resolve(requirements, max_rounds=max_rounds)
2025-10-16T07:53:26,161             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2025-10-16T07:53:26,161     self._add_to_criteria(self.state.criteria, r, parent=None)
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria
2025-10-16T07:53:26,161     if not criterion.candidates:
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__
2025-10-16T07:53:26,161     return bool(self._sequence)
2025-10-16T07:53:26,161            ^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2025-10-16T07:53:26,161     return any(self)
2025-10-16T07:53:26,161            ^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2025-10-16T07:53:26,161     return (c for c in iterator if id(c) not in self._incompatible_ids)
2025-10-16T07:53:26,161            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2025-10-16T07:53:26,161     candidate = func()
2025-10-16T07:53:26,161                 ^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2025-10-16T07:53:26,161     self._link_candidate_cache[link] = LinkCandidate(
2025-10-16T07:53:26,161                                        ^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 297, in __init__
2025-10-16T07:53:26,161     super().__init__(
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 162, in __init__
2025-10-16T07:53:26,161     self.dist = self._prepare()
2025-10-16T07:53:26,161                 ^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 231, in _prepare
2025-10-16T07:53:26,161     dist = self._prepare_distribution()
2025-10-16T07:53:26,161            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 308, in _prepare_distribution
2025-10-16T07:53:26,161     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2025-10-16T07:53:26,161            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 491, in prepare_linked_requirement
2025-10-16T07:53:26,161     return self._prepare_linked_requirement(req, parallel_builds)
2025-10-16T07:53:26,161            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 577, in _prepare_linked_requirement
2025-10-16T07:53:26,161     dist = _get_prepared_distribution(
2025-10-16T07:53:26,161            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2025-10-16T07:53:26,161     abstract_dist.prepare_distribution_metadata(
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 48, in prepare_distribution_metadata
2025-10-16T07:53:26,161     self._install_build_reqs(finder)
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 122, in _install_build_reqs
2025-10-16T07:53:26,161     self.req.build_env.install_requirements(
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/build_env.py", line 217, in install_requirements
2025-10-16T07:53:26,161     self._install_requirements(
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/build_env.py", line 275, in _install_requirements
2025-10-16T07:53:26,161     call_subprocess(
2025-10-16T07:53:26,161   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2025-10-16T07:53:26,161     raise error
2025-10-16T07:53:26,161 pip._internal.exceptions.InstallationSubprocessError: pip subprocess to install backend dependencies exited with 1
2025-10-16T07:53:26,172 Removed flashinfer-python==0.2.8rc1 from https://files.pythonhosted.org/packages/f1/80/8dfae62d04af4597d7615b892f346ace68bcb07dfbef2a9e614219d96a8a/flashinfer_python-0.2.8rc1.tar.gz from build tracker '/tmp/pip-build-tracker-7zp0m8h8'
2025-10-16T07:53:26,173 Removed build tracker: '/tmp/pip-build-tracker-7zp0m8h8'