2026-09-18T12:18:52,170 Created temporary directory: /tmp/pip-ephem-wheel-cache-wc4j0g3l
2026-09-18T12:18:52,172 Created temporary directory: /tmp/pip-build-tracker-0csb729a
2026-09-18T12:18:52,172 Initialized build tracking at /tmp/pip-build-tracker-0csb729a
2026-09-18T12:18:52,173 Created build tracker: /tmp/pip-build-tracker-0csb729a
2026-09-18T12:18:52,173 Entered build tracker: /tmp/pip-build-tracker-0csb729a
2026-09-18T12:18:52,174 Created temporary directory: /tmp/pip-wheel-_b0wbi85
2026-09-18T12:18:52,176 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
2026-09-18T12:18:52,179 Created temporary directory: /tmp/pip-ephem-wheel-cache-1fxnknl4
2026-09-18T12:18:52,200 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-09-18T12:18:52,204 2 location(s) to search for versions of slepc4py:
2026-09-18T12:18:52,204 * https://pypi.org/simple/slepc4py/
2026-09-18T12:18:52,204 * https://www.piwheels.org/simple/slepc4py/
2026-09-18T12:18:52,205 Fetching project page and analyzing links: https://pypi.org/simple/slepc4py/
2026-09-18T12:18:52,205 Getting page https://pypi.org/simple/slepc4py/
2026-09-18T12:18:52,207 Found index url https://pypi.org/simple
2026-09-18T12:18:52,441 Fetched page https://pypi.org/simple/slepc4py/ as application/vnd.pypi.simple.v1+json
2026-09-18T12:18:52,450   Found link https://files.pythonhosted.org/packages/bd/ca/50da08d615114b00590de6f6638437eaac7e45a108c76c719ebbd95d82f1/slepc4py-3.6.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.6.0
2026-09-18T12:18:52,451   Found link https://files.pythonhosted.org/packages/b4/dd/116fbdf865f6f9eda779c5d31bc5b68f37ef3dd5dbfc3feb4aaba1565560/slepc4py-3.7.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.7.0
2026-09-18T12:18:52,452   Found link https://files.pythonhosted.org/packages/9c/59/4c2d2626af94489c92efcc5404c2a902f817c7ef0ec5bd5f6cd5c24d91dd/slepc4py-3.8.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.8.0
2026-09-18T12:18:52,453   Found link https://files.pythonhosted.org/packages/36/d1/579e50427fa96480d92458c7df5e46fc79f35c5fe158f36fe7a1688073c0/slepc4py-3.9.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.9.0
2026-09-18T12:18:52,453   Found link https://files.pythonhosted.org/packages/0d/8d/030e038f936eb467251f6f9242e3d225496efad318df9aaa050907c7dbdb/slepc4py-3.10.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.10.0
2026-09-18T12:18:52,454   Found link https://files.pythonhosted.org/packages/90/56/3d2b6c7b272b82c4a7ba49544978eceee3492e749e93bc2f7f1225b7d3b1/slepc4py-3.11.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.11.0
2026-09-18T12:18:52,455   Found link https://files.pythonhosted.org/packages/47/b4/bf00aae9f0861958b9a68c8020296be50be4a145c13cb5926a9e7e41c895/slepc4py-3.12.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.12.0
2026-09-18T12:18:52,456   Found link https://files.pythonhosted.org/packages/d6/13/4d30f65091b6292b736b0fa321f7a845cf0fd16755ada1256fe3c996267b/slepc4py-3.13.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.13.0
2026-09-18T12:18:52,456   Found link https://files.pythonhosted.org/packages/5b/1f/d4aafd14e841a544cb97bbc8950dc11462a436ec642470d08078ad1b6840/slepc4py-3.14.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.14.0
2026-09-18T12:18:52,457   Found link https://files.pythonhosted.org/packages/2b/ca/7cfed46eef7be6f1f7fa08c2441f980d4aaf460be3f8327d0b0fb3ccdaeb/slepc4py-3.15.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.15.0
2026-09-18T12:18:52,457   Found link https://files.pythonhosted.org/packages/dd/cb/443f00cb4190cae46b1c51f9ae2c8d483c1e48acbe2b4eae4ea8e2efee61/slepc4py-3.15.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.15.1
2026-09-18T12:18:52,458   Found link https://files.pythonhosted.org/packages/d8/05/6a4f8fc5420e47e27de2e8c9ac864fe98600c830a6cb7fa84b614b9ccef4/slepc4py-3.16.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.16.0
2026-09-18T12:18:52,459   Found link https://files.pythonhosted.org/packages/98/80/1bf162fa2d062e6225aa213c9099354766c69bf11e092e32178a9148f244/slepc4py-3.16.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.16.1
2026-09-18T12:18:52,460   Found link https://files.pythonhosted.org/packages/94/d0/213d1951602d09fe0b626399c7a6e8dd2ad3e255a93f68789e23675bfcca/slepc4py-3.16.3.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.16.3
2026-09-18T12:18:52,460   Found link https://files.pythonhosted.org/packages/e8/8a/f779fe13aea81dea71e8df5f0e3d62dd8f88564d9864b90d49972f110617/slepc4py-3.17.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.17.0
2026-09-18T12:18:52,461   Found link https://files.pythonhosted.org/packages/7c/e5/38dc918f1a5e97468297dcbe94774d58c3085aed0b5f6558eadc90bd2377/slepc4py-3.17.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.17.1
2026-09-18T12:18:52,461   Found link https://files.pythonhosted.org/packages/be/ab/634491d5daad8a1d72bc5cf9ac153202a0f0f788dc7d3f7b033ea27515bb/slepc4py-3.17.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.17.2
2026-09-18T12:18:52,462   Found link https://files.pythonhosted.org/packages/2c/08/233c27288b13a2c894a7ca00639c9b3541ee81f676553111e784e32b8d88/slepc4py-3.18.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.18.0
2026-09-18T12:18:52,462   Found link https://files.pythonhosted.org/packages/3c/cc/b5bee04499cdb958c628b3619f94c05dbcf2ffd3c90e2dde555c95a02c29/slepc4py-3.18.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.18.1
2026-09-18T12:18:52,463   Found link https://files.pythonhosted.org/packages/9b/e6/0f1fae203ae2f5a6698ea532b0268f5bffb091678ae8e083a59704634cb1/slepc4py-3.18.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.18.2
2026-09-18T12:18:52,463   Found link https://files.pythonhosted.org/packages/4b/63/105669c3d5146a30db636cbb88c8d876569cac9ea21280e0491b4abee7ef/slepc4py-3.18.3.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.18.3
2026-09-18T12:18:52,464   Found link https://files.pythonhosted.org/packages/8d/85/7fc56fda88e9d03c2ec455d2110a81cc7f08d4af06840a5818ad0de2f971/slepc4py-3.19.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.19.0
2026-09-18T12:18:52,465   Found link https://files.pythonhosted.org/packages/89/6b/7bc400eeb7848ea7b1e4828485ec867f71e518ac38c0d5f7a53446808efb/slepc4py-3.19.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.19.1
2026-09-18T12:18:52,466   Found link https://files.pythonhosted.org/packages/7f/4c/a3d5171ea4d9308403664be9215a153475487e163e2de549fce4a768db1e/slepc4py-3.19.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.19.2
2026-09-18T12:18:52,466   Found link https://files.pythonhosted.org/packages/a9/8c/aaaf0841b558179c47130c78bd9475ed52bc6535560053b9fff603586b43/slepc4py-3.20.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.20.0
2026-09-18T12:18:52,467   Found link https://files.pythonhosted.org/packages/1f/c2/6ada11c80bae84902323128a87b7f52aa474dc0e2199adae8b943cebc50e/slepc4py-3.20.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.20.1
2026-09-18T12:18:52,468   Found link https://files.pythonhosted.org/packages/3a/e4/0bea7dbb95359dcacaea61fe821f3c1a3427141803d2ec376ae5361705a6/slepc4py-3.20.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.20.2
2026-09-18T12:18:52,468   Found link https://files.pythonhosted.org/packages/e3/14/0799e0fc40cbf98f86079c24002d997fa69ba643a5da251b0f6a91f1c8f7/slepc4py-3.21.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.21.0
2026-09-18T12:18:52,469   Found link https://files.pythonhosted.org/packages/41/82/0e19374312fae98910356d14ebec608a56949ee2494ee6212b604964c815/slepc4py-3.21.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.21.1
2026-09-18T12:18:52,470   Found link https://files.pythonhosted.org/packages/d0/00/7f6c9631457b629881931104330cf5dfc25b200b9a0e5f1a9d96ea5265ec/slepc4py-3.21.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.21.2
2026-09-18T12:18:52,471   Found link https://files.pythonhosted.org/packages/29/d0/07b0803e96ce261ff6f44a8643263879da5c22c5cc439bcd623b2711e1e4/slepc4py-3.22.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.22.0
2026-09-18T12:18:52,471   Found link https://files.pythonhosted.org/packages/1a/12/7908031721e11ab296fb57b92514a207f1b810ae2d38f295f456b6a96326/slepc4py-3.22.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.22.1
2026-09-18T12:18:52,472   Found link https://files.pythonhosted.org/packages/6a/2b/f8dd256f10621d14a24dabe2f349aa68d8a7960e673089f7e37aa2470c03/slepc4py-3.22.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.22.2
2026-09-18T12:18:52,472   Found link https://files.pythonhosted.org/packages/42/9b/efff92ea9507b8528a431644e65e011872193f7996dfd562614f6ec2f59e/slepc4py-3.23.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.23.0
2026-09-18T12:18:52,473   Found link https://files.pythonhosted.org/packages/c0/ff/2e78e78d840c54a4dcb172b487fc3292ffc3a29f30b3657116ebe9f4aa4c/slepc4py-3.23.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.23.1
2026-09-18T12:18:52,473   Found link https://files.pythonhosted.org/packages/13/09/31882fbd7d7cca2c1e35d446e0c34384d60dfc28056c5043a8ca555be2c7/slepc4py-3.23.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.23.2
2026-09-18T12:18:52,474   Found link https://files.pythonhosted.org/packages/a5/b5/da1e7edd26e68212aa332ce0d70e6b43fe925148f3f716f12d929df33289/slepc4py-3.23.3.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.23.3
2026-09-18T12:18:52,474   Found link https://files.pythonhosted.org/packages/bd/0a/5081acba9b10dbd192fb71d6c96380af03ac3a7fdc82b5adaa87a8dc3aa9/slepc4py-3.24.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.24.0
2026-09-18T12:18:52,475   Found link https://files.pythonhosted.org/packages/df/5c/ae2c4408b478e1cacc09bfcba0eab3a34a616aea270c1480c05b5c946bf3/slepc4py-3.24.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.24.1
2026-09-18T12:18:52,476   Found link https://files.pythonhosted.org/packages/0e/df/a305863be8c009321948dacf2bdcb838b562ed6aad481223a3f9a6d61b82/slepc4py-3.24.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.24.2
2026-09-18T12:18:52,476   Found link https://files.pythonhosted.org/packages/d6/05/5e9447c7b89a1236e27dae6e2b135572861bef880820549c18f8704ec670/slepc4py-3.24.3.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.24.3
2026-09-18T12:18:52,477   Found link https://files.pythonhosted.org/packages/4c/50/4e6a91784c325701156518c17972f1ff921758618370ed620e8c71ff4555/slepc4py-3.25.0.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.25.0
2026-09-18T12:18:52,478   Found link https://files.pythonhosted.org/packages/d2/5b/81ee408bc32b6005de8a31ebe374f6b84dae25a860cb4cd8f6d7f9203503/slepc4py-3.25.1.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.25.1
2026-09-18T12:18:52,479   Found link https://files.pythonhosted.org/packages/c0/79/cd35c4d8ab552037af939324e6d9b6549f1b2b53f6eb0d209e6dbde8a8e6/slepc4py-3.25.2.tar.gz (from https://pypi.org/simple/slepc4py/), version: 3.25.2
2026-09-18T12:18:52,479 Fetching project page and analyzing links: https://www.piwheels.org/simple/slepc4py/
2026-09-18T12:18:52,480 Getting page https://www.piwheels.org/simple/slepc4py/
2026-09-18T12:18:52,481 Found index url https://www.piwheels.org/simple
2026-09-18T12:18:52,684 Fetched page https://www.piwheels.org/simple/slepc4py/ as text/html
2026-09-18T12:18:52,685 Skipping link: not a file: https://www.piwheels.org/simple/slepc4py/
2026-09-18T12:18:52,686 Skipping link: not a file: https://pypi.org/simple/slepc4py/
2026-09-18T12:18:52,710 Given no hashes to check 1 links for project 'slepc4py': discarding no candidates
2026-09-18T12:18:52,729 Collecting slepc4py==3.25.2
2026-09-18T12:18:52,731   Created temporary directory: /tmp/pip-unpack-en1mdf2t
2026-09-18T12:18:52,889   Downloading slepc4py-3.25.2.tar.gz (203 kB)
2026-09-18T12:18:53,197   Added slepc4py==3.25.2 from https://files.pythonhosted.org/packages/c0/79/cd35c4d8ab552037af939324e6d9b6549f1b2b53f6eb0d209e6dbde8a8e6/slepc4py-3.25.2.tar.gz to build tracker '/tmp/pip-build-tracker-0csb729a'
2026-09-18T12:18:53,202   Created temporary directory: /tmp/pip-build-env-agxwfp4o
2026-09-18T12:18:53,207   Installing build dependencies: started
2026-09-18T12:18:53,208   Running command pip subprocess to install build dependencies
2026-09-18T12:18:54,379   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-09-18T12:18:55,040   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
2026-09-18T12:18:55,066   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-09-18T12:18:57,697   Collecting cython>=3
2026-09-18T12:18:57,698     Obtaining dependency information for cython>=3 from https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl.metadata
2026-09-18T12:18:57,716     Using cached https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl.metadata (28 kB)
2026-09-18T12:18:57,731   Discarding https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl#sha256=a6216b5b0b00e864c25ee582a0d29ae651cef2fb300b10673146bc47b5c1b8b1 (from https://www.piwheels.org/simple/cython/) (requires-python:>=3.9): Requested cython>=3 from https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl#sha256=a6216b5b0b00e864c25ee582a0d29ae651cef2fb300b10673146bc47b5c1b8b1 has inconsistent Name: expected 'cython', but metadata has 'Cython'
2026-09-18T12:18:57,923     Downloading cython-3.3.0-cp39-abi3-manylinux2014_armv7l.manylinux_2_17_armv7l.manylinux_2_31_armv7l.whl (3.0 MB)
2026-09-18T12:18:58,249        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 3.0/3.0 MB 9.6 MB/s eta 0:00:00
2026-09-18T12:18:59,444     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/3a/be/650f9c091ef71cb01d735775d554e068752d3ff63d7943b26316dc401749/numpy-1.21.2.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:18:59,452     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/5f/d6/ad58ded26556eaeaa8c971e08b6466f17c4ac4d786cd3d800e26ce59cc01/numpy-1.21.3.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:18:59,460     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/fb/48/b0708ebd7718a8933f0d3937513ef8ef2f4f04529f1f66ca86d873043921/numpy-1.21.4.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:18:59,467     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/c2/a8/a924a09492bdfee8c2ec3094d0a13f2799800b4fdc9c890738aeeb12c72e/numpy-1.21.5.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:18:59,475     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/45/b7/de7b8e67f2232c26af57c205aaad29fe17754f793404f59c8a730c7a191a/numpy-1.21.6.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:18:59,960     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/d3/e1/f2fe8f6113a657a1da83b358b16755e528a602c6976a43724a88f42b482a/numpy-2.5.0rc1.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:18:59,970     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/e7/05/3d27272d30698dc0ecb7fdfaa41ad70303b444f81722bb99bce1d818638a/numpy-2.5.0.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:18:59,980     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/22/fd/89965aa4ac08c74998539fcbf24fa3540f3e15237fbeb6bcf9c908f4aade/numpy-2.5.1.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:18:59,994     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/9a/80/db0b4559e57ec36362bedbb05530a87fafbcb6067708c946967a41d449e7/numpy-2.5.2.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:19:00,009     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/13/01/11703282db468b85f6f7b8c7f22d058de5970d5c7e60a3a8aaa313c3de36/numpy-2.5.3.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:19:00,603   Collecting numpy
2026-09-18T12:19:00,604     Obtaining dependency information for numpy from https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl.metadata
2026-09-18T12:19:00,621     Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl.metadata (6.6 kB)
2026-09-18T12:19:02,099   Collecting setuptools
2026-09-18T12:19:02,100     Obtaining dependency information for setuptools from https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl.metadata
2026-09-18T12:19:02,114     Using cached https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl.metadata (6.6 kB)
2026-09-18T12:19:02,771   Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-09-18T12:19:02,972   Using cached https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl (818 kB)
2026-09-18T12:19:03,456   Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-09-18T12:19:03,720   Using cached https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl (818 kB)
2026-09-18T12:19:06,582   Installing collected packages: setuptools, numpy, cython
2026-09-18T12:19:17,703     Creating /tmp/pip-build-env-agxwfp4o/overlay/local/bin
2026-09-18T12:19:17,706     changing mode of /tmp/pip-build-env-agxwfp4o/overlay/local/bin/f2py to 755
2026-09-18T12:19:17,708     changing mode of /tmp/pip-build-env-agxwfp4o/overlay/local/bin/numpy-config to 755
2026-09-18T12:19:21,097     changing mode of /tmp/pip-build-env-agxwfp4o/overlay/local/bin/cygdb to 755
2026-09-18T12:19:21,099     changing mode of /tmp/pip-build-env-agxwfp4o/overlay/local/bin/cython to 755
2026-09-18T12:19:21,102     changing mode of /tmp/pip-build-env-agxwfp4o/overlay/local/bin/cythonize to 755
2026-09-18T12:19:21,134   Successfully installed cython-3.3.0 numpy-2.4.6 setuptools-84.0.0
2026-09-18T12:19:21,619   Installing build dependencies: finished with status 'done'
2026-09-18T12:19:21,625   Getting requirements to build wheel: started
2026-09-18T12:19:21,626   Running command Getting requirements to build wheel
2026-09-18T12:19:22,858   Getting requirements to build wheel: finished with status 'done'
2026-09-18T12:19:22,897   Installing backend dependencies: started
2026-09-18T12:19:22,898   Running command pip subprocess to install backend dependencies
2026-09-18T12:19:24,096   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-09-18T12:19:24,547   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
2026-09-18T12:19:24,572   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-09-18T12:19:25,014   Collecting slepc<3.26,>=3.25
2026-09-18T12:19:25,015     Obtaining dependency information for slepc<3.26,>=3.25 from https://archive1.piwheels.org/simple/slepc/slepc-3.25.1-py3-none-linux_armv7l.whl.metadata
2026-09-18T12:19:25,258     Downloading https://archive1.piwheels.org/simple/slepc/slepc-3.25.1-py3-none-linux_armv7l.whl.metadata (2.4 kB)
2026-09-18T12:19:25,358   Collecting petsc4py<3.26,>=3.25
2026-09-18T12:19:25,520     Downloading petsc4py-3.25.5.tar.gz (487 kB)
2026-09-18T12:19:25,635        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 487.2/487.2 kB 4.7 MB/s eta 0:00:00
2026-09-18T12:19:26,235     Installing build dependencies: started
2026-09-18T12:19:26,236     Running command pip subprocess to install build dependencies
2026-09-18T12:19:27,802     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
2026-09-18T12:19:27,827     Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-09-18T12:19:30,406     Collecting cython>=3
2026-09-18T12:19:30,408       Obtaining dependency information for cython>=3 from https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl.metadata
2026-09-18T12:19:30,423       Using cached https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl.metadata (28 kB)
2026-09-18T12:19:30,438     Discarding https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl#sha256=a6216b5b0b00e864c25ee582a0d29ae651cef2fb300b10673146bc47b5c1b8b1 (from https://www.piwheels.org/simple/cython/) (requires-python:>=3.9): Requested cython>=3 from https://www.piwheels.org/simple/cython/cython-3.3.0-cp311-cp311-linux_armv7l.whl#sha256=a6216b5b0b00e864c25ee582a0d29ae651cef2fb300b10673146bc47b5c1b8b1 has inconsistent Name: expected 'cython', but metadata has 'Cython'
2026-09-18T12:19:30,551       Using cached cython-3.3.0-cp39-abi3-manylinux2014_armv7l.manylinux_2_17_armv7l.manylinux_2_31_armv7l.whl (3.0 MB)
2026-09-18T12:19:32,760     Collecting numpy
2026-09-18T12:19:32,761       Obtaining dependency information for numpy from https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl.metadata
2026-09-18T12:19:32,775       Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl.metadata (6.6 kB)
2026-09-18T12:19:34,279     Collecting setuptools
2026-09-18T12:19:34,281       Obtaining dependency information for setuptools from https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl.metadata
2026-09-18T12:19:34,295       Using cached https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl.metadata (6.6 kB)
2026-09-18T12:19:34,950     Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-09-18T12:19:35,121     Using cached https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl (818 kB)
2026-09-18T12:19:35,589     Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-09-18T12:19:35,849     Using cached https://www.piwheels.org/simple/setuptools/setuptools-84.0.0-py3-none-any.whl (818 kB)
2026-09-18T12:19:38,724     Installing collected packages: setuptools, numpy, cython
2026-09-18T12:19:53,123     Successfully installed cython-3.3.0 numpy-2.4.6 setuptools-84.0.0
2026-09-18T12:19:53,597     Installing build dependencies: finished with status 'done'
2026-09-18T12:19:53,603     Getting requirements to build wheel: started
2026-09-18T12:19:53,604     Running command Getting requirements to build wheel
2026-09-18T12:19:54,839     Getting requirements to build wheel: finished with status 'done'
2026-09-18T12:19:54,862     Installing backend dependencies: started
2026-09-18T12:19:54,863     Running command pip subprocess to install backend dependencies
2026-09-18T12:19:56,444     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
2026-09-18T12:19:56,466     Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-09-18T12:19:57,029     Collecting petsc<3.26,>=3.25
2026-09-18T12:19:57,030       Obtaining dependency information for petsc<3.26,>=3.25 from https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl.metadata
2026-09-18T12:19:57,224       Downloading https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl.metadata (2.4 kB)
2026-09-18T12:19:57,247     Downloading https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl (48.5 MB)
2026-09-18T12:20:01,278        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 48.5/48.5 MB 5.4 MB/s eta 0:00:00
2026-09-18T12:20:05,010     Using cached https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl (48.5 MB)
2026-09-18T12:20:08,689     Installing collected packages: petsc
2026-09-18T12:20:12,293     Successfully installed petsc-3.25.5
2026-09-18T12:20:12,546     Installing backend dependencies: finished with status 'done'
2026-09-18T12:20:12,550     Preparing metadata (pyproject.toml): started
2026-09-18T12:20:12,551     Running command Preparing metadata (pyproject.toml)
2026-09-18T12:20:13,715     running dist_info
2026-09-18T12:20:13,732     creating /tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info
2026-09-18T12:20:13,735     writing /tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info/PKG-INFO
2026-09-18T12:20:13,740     writing dependency_links to /tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info/dependency_links.txt
2026-09-18T12:20:13,744     writing requirements to /tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info/requires.txt
2026-09-18T12:20:13,745     writing top-level names to /tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info/top_level.txt
2026-09-18T12:20:13,746     writing manifest file '/tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info/SOURCES.txt'
2026-09-18T12:20:13,807     reading manifest file '/tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info/SOURCES.txt'
2026-09-18T12:20:13,810     reading manifest template 'MANIFEST.in'
2026-09-18T12:20:14,666     adding license file 'LICENSE.rst'
2026-09-18T12:20:14,678     writing manifest file '/tmp/pip-modern-metadata-h1382d4e/petsc4py.egg-info/SOURCES.txt'
2026-09-18T12:20:14,679     creating '/tmp/pip-modern-metadata-h1382d4e/petsc4py-3.25.5.dist-info'
2026-09-18T12:20:14,854     Preparing metadata (pyproject.toml): finished with status 'done'
2026-09-18T12:20:15,191   Collecting petsc<3.26,>=3.25
2026-09-18T12:20:15,192     Obtaining dependency information for petsc<3.26,>=3.25 from https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl.metadata
2026-09-18T12:20:15,448     Using cached https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl.metadata (2.4 kB)
2026-09-18T12:20:16,576     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/3a/be/650f9c091ef71cb01d735775d554e068752d3ff63d7943b26316dc401749/numpy-1.21.2.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:20:16,584     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/5f/d6/ad58ded26556eaeaa8c971e08b6466f17c4ac4d786cd3d800e26ce59cc01/numpy-1.21.3.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:20:16,591     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/fb/48/b0708ebd7718a8933f0d3937513ef8ef2f4f04529f1f66ca86d873043921/numpy-1.21.4.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:20:16,598     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/c2/a8/a924a09492bdfee8c2ec3094d0a13f2799800b4fdc9c890738aeeb12c72e/numpy-1.21.5.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:20:16,605     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/45/b7/de7b8e67f2232c26af57c205aaad29fe17754f793404f59c8a730c7a191a/numpy-1.21.6.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-09-18T12:20:17,061     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/d3/e1/f2fe8f6113a657a1da83b358b16755e528a602c6976a43724a88f42b482a/numpy-2.5.0rc1.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:20:17,071     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/e7/05/3d27272d30698dc0ecb7fdfaa41ad70303b444f81722bb99bce1d818638a/numpy-2.5.0.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:20:17,080     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/22/fd/89965aa4ac08c74998539fcbf24fa3540f3e15237fbeb6bcf9c908f4aade/numpy-2.5.1.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:20:17,093     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/9a/80/db0b4559e57ec36362bedbb05530a87fafbcb6067708c946967a41d449e7/numpy-2.5.2.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:20:17,107     Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/13/01/11703282db468b85f6f7b8c7f22d058de5970d5c7e60a3a8aaa313c3de36/numpy-2.5.3.tar.gz (from https://pypi.org/simple/numpy/) (requires-python:>=3.12)
2026-09-18T12:20:17,442   Collecting numpy>=1.19
2026-09-18T12:20:17,443     Obtaining dependency information for numpy>=1.19 from https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl.metadata
2026-09-18T12:20:17,456     Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl.metadata (6.6 kB)
2026-09-18T12:20:17,701   Downloading https://archive1.piwheels.org/simple/slepc/slepc-3.25.1-py3-none-linux_armv7l.whl (19.6 MB)
2026-09-18T12:20:19,135      ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 19.6/19.6 MB 9.7 MB/s eta 0:00:00
2026-09-18T12:20:23,059   Using cached https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl (48.5 MB)
2026-09-18T12:20:24,478   Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-09-18T12:20:26,260   Using cached https://archive1.piwheels.org/simple/slepc/slepc-3.25.1-py3-none-linux_armv7l.whl (19.6 MB)
2026-09-18T12:20:30,460   Using cached https://archive1.piwheels.org/simple/petsc/petsc-3.25.5-py3-none-linux_armv7l.whl (48.5 MB)
2026-09-18T12:20:32,411   Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.6-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-09-18T12:20:32,601   Building wheels for collected packages: petsc4py
2026-09-18T12:20:32,609     Building wheel for petsc4py (pyproject.toml): started
2026-09-18T12:20:32,610     Running command Building wheel for petsc4py (pyproject.toml)
2026-09-18T12:20:33,648     running bdist_wheel
2026-09-18T12:20:33,667     running build
2026-09-18T12:20:33,668     running build_src
2026-09-18T12:20:33,671     using Cython 3.3.0
2026-09-18T12:20:33,672     cythonizing 'petsc4py/PETSc.pyx' -> 'petsc4py/PETSc.c'
2026-09-18T12:21:34,648     running build_py
2026-09-18T12:21:34,666     creating build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,669     copying src/petsc4py/typing.py -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,672     copying src/petsc4py/__init__.py -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,674     copying src/petsc4py/__main__.py -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,675     copying src/petsc4py/PETSc.py -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,678     creating build/lib.linux-armv7l-cpython-311/petsc4py/lib
2026-09-18T12:21:34,680     copying src/petsc4py/lib/__init__.py -> build/lib.linux-armv7l-cpython-311/petsc4py/lib
2026-09-18T12:21:34,686     creating build/lib.linux-armv7l-cpython-311/petsc4py/lib/_pytypes
2026-09-18T12:21:34,687     copying src/petsc4py/lib/_pytypes/__init__.py -> build/lib.linux-armv7l-cpython-311/petsc4py/lib/_pytypes
2026-09-18T12:21:34,690     creating build/lib.linux-armv7l-cpython-311/petsc4py/lib/_pytypes/viewer
2026-09-18T12:21:34,691     copying src/petsc4py/lib/_pytypes/viewer/__init__.py -> build/lib.linux-armv7l-cpython-311/petsc4py/lib/_pytypes/viewer
2026-09-18T12:21:34,693     copying src/petsc4py/lib/_pytypes/viewer/petscpyvista.py -> build/lib.linux-armv7l-cpython-311/petsc4py/lib/_pytypes/viewer
2026-09-18T12:21:34,704     copying src/petsc4py/__main__.pyi -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,707     copying src/petsc4py/PETSc.pyi -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,713     copying src/petsc4py/__init__.pyi -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,715     copying src/petsc4py/py.typed -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,718     copying src/petsc4py/PETSc.pxd -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,722     copying src/petsc4py/PETSc.h -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,725     copying src/petsc4py/PETSc_api.h -> build/lib.linux-armv7l-cpython-311/petsc4py
2026-09-18T12:21:34,729     creating build/lib.linux-armv7l-cpython-311/petsc4py/include/petsc4py
2026-09-18T12:21:34,732     copying src/petsc4py/include/petsc4py/pybuffer.h -> build/lib.linux-armv7l-cpython-311/petsc4py/include/petsc4py
2026-09-18T12:21:34,736     copying src/petsc4py/include/petsc4py/numpy.h -> build/lib.linux-armv7l-cpython-311/petsc4py/include/petsc4py
2026-09-18T12:21:34,739     copying src/petsc4py/include/petsc4py/pyscalar.h -> build/lib.linux-armv7l-cpython-311/petsc4py/include/petsc4py
2026-09-18T12:21:34,742     copying src/petsc4py/include/petsc4py/petsc4py.h -> build/lib.linux-armv7l-cpython-311/petsc4py/include/petsc4py
2026-09-18T12:21:34,745     copying src/petsc4py/include/petsc4py/petsc4py.i -> build/lib.linux-armv7l-cpython-311/petsc4py/include/petsc4py
2026-09-18T12:21:34,749     copying src/petsc4py/lib/__init__.pyi -> build/lib.linux-armv7l-cpython-311/petsc4py/lib
2026-09-18T12:21:34,752     copying src/petsc4py/lib/petsc.cfg -> build/lib.linux-armv7l-cpython-311/petsc4py/lib
2026-09-18T12:21:34,756     running build_ext
2026-09-18T12:21:34,792     PETSC_DIR:    /tmp/pip-build-env-6i4rkwv9/normal/local/lib/python3.11/dist-packages/petsc
2026-09-18T12:21:34,795     PETSC_ARCH:
2026-09-18T12:21:34,795     version:      3.25.5 release
2026-09-18T12:21:34,796     integer-size: 32-bit
2026-09-18T12:21:34,797     scalar-type:  real
2026-09-18T12:21:34,797     precision:    double
2026-09-18T12:21:34,798     language:     CONLY
2026-09-18T12:21:34,798     compiler:     /usr/bin/mpicc
2026-09-18T12:21:34,799     linker:       /usr/bin/mpicc
2026-09-18T12:21:34,852     building 'PETSc' extension
2026-09-18T12:21:34,855     /usr/bin/mpicc -fPIC -Wall -Wwrite-strings -Wno-unknown-pragmas -Wno-lto-type-mismatch -Wno-stringop-overflow -mfp16-format=ieee -fstack-protector -g -O -fPIC -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fwrapv -O2 -DMPICH_SKIP_MPICXX=1 -DOMPI_SKIP_MPICXX=1 -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -Isrc -Isrc/petsc4py/include -I/tmp/pip-build-env-6i4rkwv9/overlay/local/lib/python3.11/dist-packages/numpy/_core/include -I/tmp/pip-build-env-6i4rkwv9/normal/local/lib/python3.11/dist-packages/petsc/include -I/usr/include/python3.11 -c src/petsc4py/PETSc.c -o build/temp.linux-armv7l-cpython-311/src/petsc4py/PETSc.o
2026-09-18T12:24:56,351     src/petsc4py/PETSc.c: In function ‘__pyx_tp_new_vectorcall__memoryviewslice’:
2026-09-18T12:24:56,410     src/petsc4py/PETSc.c:574437: note: ‘-Wmisleading-indentation’ is disabled from this point onwards, since column-tracking was disabled due to the size of the code/headers
2026-09-18T12:24:56,410     574437 |   if (unlikely(!o)) return 0;
2026-09-18T12:24:56,411            |
2026-09-18T12:24:56,412     src/petsc4py/PETSc.c:574437: note: adding ‘-flarge-source-files’ will allow for more column-tracking support, at the expense of compilation time and memory
2026-09-18T12:29:38,556     virtual memory exhausted: Cannot allocate memory
2026-09-18T12:29:38,730     error: Command '['/usr/bin/mpicc', '-fPIC', '-Wall', '-Wwrite-strings', '-Wno-unknown-pragmas', '-Wno-lto-type-mismatch', '-Wno-stringop-overflow', '-mfp16-format=ieee', '-fstack-protector', '-g', '-O', '-fPIC', '-Wsign-compare', '-DNDEBUG', '-g', '-fwrapv', '-O2', '-Wall', '-g', '-fwrapv', '-O2', '-DMPICH_SKIP_MPICXX=1', '-DOMPI_SKIP_MPICXX=1', '-DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION', '-Isrc', '-Isrc/petsc4py/include', '-I/tmp/pip-build-env-6i4rkwv9/overlay/local/lib/python3.11/dist-packages/numpy/_core/include', '-I/tmp/pip-build-env-6i4rkwv9/normal/local/lib/python3.11/dist-packages/petsc/include', '-I/usr/include/python3.11', '-c', 'src/petsc4py/PETSc.c', '-o', 'build/temp.linux-armv7l-cpython-311/src/petsc4py/PETSc.o']' returned non-zero exit status 1.
2026-09-18T12:29:42,653     error: subprocess-exited-with-error

2026-09-18T12:29:42,655     × Building wheel for petsc4py (pyproject.toml) did not run successfully.
2026-09-18T12:29:42,655     │ exit code: 1
2026-09-18T12:29:42,656     ╰─> See above for output.

2026-09-18T12:29:42,657     note: This error originates from a subprocess, and is likely not a problem with pip.
2026-09-18T12:29:42,658     full command: /usr/bin/python3 /usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py build_wheel /tmp/tmpz4r8r6gr
2026-09-18T12:29:42,659     cwd: /tmp/pip-install-9iumm7gd/petsc4py_785d8c987fbc498a9f5fac49963ba782
2026-09-18T12:29:42,659     Building wheel for petsc4py (pyproject.toml): finished with status 'error'
2026-09-18T12:29:42,660     ERROR: Failed building wheel for petsc4py
2026-09-18T12:29:42,662   Failed to build petsc4py
2026-09-18T12:29:42,663   ERROR: Could not build wheels for petsc4py, which is required to install pyproject.toml-based projects
2026-09-18T12:29:44,029   ERROR: [present-rich] pip subprocess to install backend dependencies exited with 1
2026-09-18T12:29:44,042   [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-agxwfp4o/normal --no-warn-script-location -v --no-binary slepc4py --only-binary :none: -i https://pypi.org/simple --extra-index-url https://www.piwheels.org/simple --prefer-binary -- 'slepc>=3.25,<3.26' 'petsc4py>=3.25,<3.26' 'petsc>=3.25,<3.26'[/]
2026-09-18T12:29:44,042   [bold magenta]cwd[/]: \[inherit]
2026-09-18T12:29:44,043   Installing backend dependencies: finished with status 'error'
2026-09-18T12:29:44,044 ERROR: [present-rich] pip subprocess to install backend dependencies exited with 1
2026-09-18T12:29:44,049 Exception information:
2026-09-18T12:29:44,049 Traceback (most recent call last):
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper
2026-09-18T12:29:44,049     status = run_func(*args)
2026-09-18T12:29:44,049              ^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper
2026-09-18T12:29:44,049     return func(self, options, args)
2026-09-18T12:29:44,049            ^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run
2026-09-18T12:29:44,049     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2026-09-18T12:29:44,049                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2026-09-18T12:29:44,049     result = self._result = resolver.resolve(
2026-09-18T12:29:44,049                             ^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2026-09-18T12:29:44,049     state = resolution.resolve(requirements, max_rounds=max_rounds)
2026-09-18T12:29:44,049             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2026-09-18T12:29:44,049     self._add_to_criteria(self.state.criteria, r, parent=None)
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria
2026-09-18T12:29:44,049     if not criterion.candidates:
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__
2026-09-18T12:29:44,049     return bool(self._sequence)
2026-09-18T12:29:44,049            ^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2026-09-18T12:29:44,049     return any(self)
2026-09-18T12:29:44,049            ^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2026-09-18T12:29:44,049     return (c for c in iterator if id(c) not in self._incompatible_ids)
2026-09-18T12:29:44,049            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2026-09-18T12:29:44,049     candidate = func()
2026-09-18T12:29:44,049                 ^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2026-09-18T12:29:44,049     self._link_candidate_cache[link] = LinkCandidate(
2026-09-18T12:29:44,049                                        ^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 297, in __init__
2026-09-18T12:29:44,049     super().__init__(
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 162, in __init__
2026-09-18T12:29:44,049     self.dist = self._prepare()
2026-09-18T12:29:44,049                 ^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 231, in _prepare
2026-09-18T12:29:44,049     dist = self._prepare_distribution()
2026-09-18T12:29:44,049            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 308, in _prepare_distribution
2026-09-18T12:29:44,049     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2026-09-18T12:29:44,049            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 491, in prepare_linked_requirement
2026-09-18T12:29:44,049     return self._prepare_linked_requirement(req, parallel_builds)
2026-09-18T12:29:44,049            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 577, in _prepare_linked_requirement
2026-09-18T12:29:44,049     dist = _get_prepared_distribution(
2026-09-18T12:29:44,049            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2026-09-18T12:29:44,049     abstract_dist.prepare_distribution_metadata(
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 48, in prepare_distribution_metadata
2026-09-18T12:29:44,049     self._install_build_reqs(finder)
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 122, in _install_build_reqs
2026-09-18T12:29:44,049     self.req.build_env.install_requirements(
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/build_env.py", line 217, in install_requirements
2026-09-18T12:29:44,049     self._install_requirements(
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/build_env.py", line 275, in _install_requirements
2026-09-18T12:29:44,049     call_subprocess(
2026-09-18T12:29:44,049   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2026-09-18T12:29:44,049     raise error
2026-09-18T12:29:44,049 pip._internal.exceptions.InstallationSubprocessError: pip subprocess to install backend dependencies exited with 1
2026-09-18T12:29:44,066 Removed slepc4py==3.25.2 from https://files.pythonhosted.org/packages/c0/79/cd35c4d8ab552037af939324e6d9b6549f1b2b53f6eb0d209e6dbde8a8e6/slepc4py-3.25.2.tar.gz from build tracker '/tmp/pip-build-tracker-0csb729a'
2026-09-18T12:29:44,067 Removed build tracker: '/tmp/pip-build-tracker-0csb729a'