2026-09-19T09:43:45,343 Created temporary directory: /tmp/pip-ephem-wheel-cache-d0v5_gs9 2026-09-19T09:43:45,345 Created temporary directory: /tmp/pip-build-tracker-4z_8f0vp 2026-09-19T09:43:45,345 Initialized build tracking at /tmp/pip-build-tracker-4z_8f0vp 2026-09-19T09:43:45,346 Created build tracker: /tmp/pip-build-tracker-4z_8f0vp 2026-09-19T09:43:45,346 Entered build tracker: /tmp/pip-build-tracker-4z_8f0vp 2026-09-19T09:43:45,347 Created temporary directory: /tmp/pip-wheel-y5k_eocj 2026-09-19T09:43:45,350 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 2026-09-19T09:43:45,353 Created temporary directory: /tmp/pip-ephem-wheel-cache-25w5ra85 2026-09-19T09:43:45,375 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-09-19T09:43:45,378 2 location(s) to search for versions of two-electron: 2026-09-19T09:43:45,378 * https://pypi.org/simple/two-electron/ 2026-09-19T09:43:45,378 * https://www.piwheels.org/simple/two-electron/ 2026-09-19T09:43:45,379 Fetching project page and analyzing links: https://pypi.org/simple/two-electron/ 2026-09-19T09:43:45,380 Getting page https://pypi.org/simple/two-electron/ 2026-09-19T09:43:45,381 Found index url https://pypi.org/simple 2026-09-19T09:43:45,616 Fetched page https://pypi.org/simple/two-electron/ as application/vnd.pypi.simple.v1+json 2026-09-19T09:43:45,620 Found link https://files.pythonhosted.org/packages/70/07/13edfba712e25877376568cfee1de143d59e9c79029d55dbc33bfd8fd04e/two-electron-1.0.0.tar.gz (from https://pypi.org/simple/two-electron/), version: 1.0.0 2026-09-19T09:43:45,621 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/ca/4f/224dbd278ec24446cd11641636022b261a77fa6c5f04deb7e6c42d6f50e2/two_electron-1.0.0-cp36-cp36m-manylinux1_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,621 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/a8/da/7b97260048bacd1385668f47fe2b3f3f6ffc43d906b868b504abd004ecff/two_electron-1.0.0-cp37-cp37m-manylinux1_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,622 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/10/3a/8475ae2d5a43ab69245d960638d314bb38ae350127f3144a05dc1590b499/two_electron-1.0.0-cp38-cp38-manylinux1_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,623 Found link https://files.pythonhosted.org/packages/b0/b6/2cf241fc1d4a0346d8ec5d732191a5a758de72aefa09645aea6ee3b2f189/two-electron-1.1.tar.gz (from https://pypi.org/simple/two-electron/), version: 1.1 2026-09-19T09:43:45,624 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/6e/ae/0c7e709321aa4b6924b388c4ef1cb0a4ccfa3b34c62c4e65b7aaccf7d773/two_electron-1.1-cp36-cp36m-manylinux1_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,624 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/87/b9/c986d49363c5d4739f76a499bb83e09a8d604278e85335ed5d62689d63f7/two_electron-1.1-cp37-cp37m-manylinux1_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,625 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/5c/a4/7b168a1229d83cb32a78a377fa8aad6db5876d65ac1cd48f6a8c33aacb78/two_electron-1.1-cp38-cp38-manylinux1_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,625 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/9d/19/4da1755ea966240ca0fc3221743e90b096d2eb92ca03e12132560315cf25/two_electron-1.1.1-cp36-cp36m-manylinux2014_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,626 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/ab/30/1e69684d74ab36f4ca0e49da3cfa56f21c450e36f0d8e44e685ac37fead1/two_electron-1.1.1-cp37-cp37m-manylinux2014_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,627 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/3e/bb/b4cecfe04e08967eed7a18b78a905930982c52e16b06b3864f245de82f1f/two_electron-1.1.1-cp38-cp38-manylinux2014_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,627 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/e6/63/510327a9b8b6f08fcfb35e4bc09b7fbaf238b55bbf7480cddee09ba9ac9b/two_electron-1.1.1-cp39-cp39-manylinux2014_x86_64.whl (from https://pypi.org/simple/two-electron/) 2026-09-19T09:43:45,628 Found link https://files.pythonhosted.org/packages/1d/7f/1614d76a801bc37bf567e5e45e8a3c108ddffcd08389776227d838b0a9f3/two_electron-1.1.1.tar.gz (from https://pypi.org/simple/two-electron/), version: 1.1.1 2026-09-19T09:43:45,628 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/f7/50/26bf447bfa3dd0b508aa0756ed5d1b85de34b81f5b8ace262c8ae5b6b67b/two_electron-2.1.0-cp314-cp314-macosx_11_0_arm64.whl (from https://pypi.org/simple/two-electron/) (requires-python:>=3.8) 2026-09-19T09:43:45,629 Found link https://files.pythonhosted.org/packages/99/01/48cffd34735e0bca9b9e0f1e78f8b810d2680bac5429b58d9155077b9419/two_electron-2.1.0.tar.gz (from https://pypi.org/simple/two-electron/) (requires-python:>=3.8), version: 2.1.0 2026-09-19T09:43:45,630 Skipping link: No binaries permitted for two-electron: https://files.pythonhosted.org/packages/5c/3f/50d6245a0875c014e6d7f99d9aa7617c252abb36d72923cd778c43a0a834/two_electron-2.1.1-cp314-cp314-macosx_11_0_arm64.whl (from https://pypi.org/simple/two-electron/) (requires-python:>=3.8) 2026-09-19T09:43:45,631 Found link https://files.pythonhosted.org/packages/8c/29/2c269a06cca4b0efe9821283eeb9ec6b184425a26f61cb6b3730fc72779c/two_electron-2.1.1.tar.gz (from https://pypi.org/simple/two-electron/) (requires-python:>=3.8), version: 2.1.1 2026-09-19T09:43:45,632 Fetching project page and analyzing links: https://www.piwheels.org/simple/two-electron/ 2026-09-19T09:43:45,632 Getting page https://www.piwheels.org/simple/two-electron/ 2026-09-19T09:43:45,634 Found index url https://www.piwheels.org/simple 2026-09-19T09:43:45,849 Fetched page https://www.piwheels.org/simple/two-electron/ as text/html 2026-09-19T09:43:45,854 Skipping link: No binaries permitted for two-electron: https://www.piwheels.org/simple/two-electron/two_electron-2.1.0-cp311-cp311-linux_armv6l.whl#sha256=22ed115aae5df30d7db06af13428ee7e12ff4427be8b924ba2f4a81472fbb37f (from https://www.piwheels.org/simple/two-electron/) (requires-python:>=3.8) 2026-09-19T09:43:45,855 Skipping link: No binaries permitted for two-electron: https://www.piwheels.org/simple/two-electron/two_electron-2.1.0-cp311-cp311-linux_armv7l.whl#sha256=22ed115aae5df30d7db06af13428ee7e12ff4427be8b924ba2f4a81472fbb37f (from https://www.piwheels.org/simple/two-electron/) (requires-python:>=3.8) 2026-09-19T09:43:45,856 Skipping link: No binaries permitted for two-electron: https://www.piwheels.org/simple/two-electron/two_electron-2.1.0-cp313-cp313-linux_armv6l.whl#sha256=0325a85ae2304b933a72e778e852a1e5c5356e791819d10733e1167742667e93 (from https://www.piwheels.org/simple/two-electron/) (requires-python:>=3.8) 2026-09-19T09:43:45,857 Skipping link: No binaries permitted for two-electron: https://www.piwheels.org/simple/two-electron/two_electron-2.1.0-cp313-cp313-linux_armv7l.whl#sha256=0325a85ae2304b933a72e778e852a1e5c5356e791819d10733e1167742667e93 (from https://www.piwheels.org/simple/two-electron/) (requires-python:>=3.8) 2026-09-19T09:43:45,857 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.1.1-cp37-cp37m-linux_armv6l.whl#sha256=a30ed906a902290cd29c030fdbd77f0a42b920c54208cc5078e12bab818a39b6 (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,858 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.1.1-cp37-cp37m-linux_armv7l.whl#sha256=a30ed906a902290cd29c030fdbd77f0a42b920c54208cc5078e12bab818a39b6 (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,859 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.1.1-cp39-cp39-linux_armv6l.whl#sha256=b363fb089a152fa2a6928b4a93a1cca093133ad792d25d5f4a1dbf2735ab82ab (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,859 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.1.1-cp39-cp39-linux_armv7l.whl#sha256=b363fb089a152fa2a6928b4a93a1cca093133ad792d25d5f4a1dbf2735ab82ab (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,860 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp35-cp35m-linux_armv6l.whl#sha256=b6e82f293f29efab2646b36e0731df6ee92e74272097cde80d73197fc69aa819 (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,860 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp35-cp35m-linux_armv7l.whl#sha256=b6e82f293f29efab2646b36e0731df6ee92e74272097cde80d73197fc69aa819 (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,861 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp34-cp34m-linux_armv7l.whl#sha256=7cfb24be6557f8e1a5ba48a1aa2c08aa1ff451efc0b08de4ed82916038483f4c (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,861 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp34-cp34m-linux_armv6l.whl#sha256=7cfb24be6557f8e1a5ba48a1aa2c08aa1ff451efc0b08de4ed82916038483f4c (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,862 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp37-cp37m-linux_armv6l.whl#sha256=f19f5accd620d6d4eb10ecd51c0904637bbd7b06e9584a9b26cbf0db0f0cc2b5 (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,863 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp37-cp37m-linux_armv7l.whl#sha256=f19f5accd620d6d4eb10ecd51c0904637bbd7b06e9584a9b26cbf0db0f0cc2b5 (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,863 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp39-cp39-linux_armv6l.whl#sha256=4bb28b60ce52901aa8e861d42cadd46675bbac5023bc9b0b22e4e0b66b80f58f (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,864 Skipping link: No binaries permitted for two-electron: https://archive1.piwheels.org/simple/two-electron/two_electron-1.0.0-cp39-cp39-linux_armv7l.whl#sha256=4bb28b60ce52901aa8e861d42cadd46675bbac5023bc9b0b22e4e0b66b80f58f (from https://www.piwheels.org/simple/two-electron/) 2026-09-19T09:43:45,865 Skipping link: not a file: https://www.piwheels.org/simple/two-electron/ 2026-09-19T09:43:45,865 Skipping link: not a file: https://pypi.org/simple/two-electron/ 2026-09-19T09:43:45,884 Given no hashes to check 1 links for project 'two-electron': discarding no candidates 2026-09-19T09:43:45,902 Collecting two-electron==2.1.1 2026-09-19T09:43:45,905 Created temporary directory: /tmp/pip-unpack-g6oy2wo0 2026-09-19T09:43:46,066 Downloading two_electron-2.1.1.tar.gz (1.5 MB) 2026-09-19T09:43:46,611 Added two-electron==2.1.1 from https://files.pythonhosted.org/packages/8c/29/2c269a06cca4b0efe9821283eeb9ec6b184425a26f61cb6b3730fc72779c/two_electron-2.1.1.tar.gz to build tracker '/tmp/pip-build-tracker-4z_8f0vp' 2026-09-19T09:43:46,615 Created temporary directory: /tmp/pip-build-env-qiwkpb3k 2026-09-19T09:43:46,619 Installing build dependencies: started 2026-09-19T09:43:46,621 Running command pip subprocess to install build dependencies 2026-09-19T09:43:47,756 Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11) 2026-09-19T09:43:48,184 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 2026-09-19T09:43:48,207 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-09-19T09:43:50,141 Collecting maturin<2.0,>=1.15 2026-09-19T09:43:50,142 Obtaining dependency information for maturin<2.0,>=1.15 from https://www.piwheels.org/simple/maturin/maturin-1.15.0-cp311-cp311-linux_armv7l.whl.metadata 2026-09-19T09:43:50,158 Using cached https://www.piwheels.org/simple/maturin/maturin-1.15.0-cp311-cp311-linux_armv7l.whl.metadata (17 kB) 2026-09-19T09:43:50,650 Using cached https://www.piwheels.org/simple/maturin/maturin-1.15.0-cp311-cp311-linux_armv7l.whl (6.5 MB) 2026-09-19T09:43:51,238 Using cached https://www.piwheels.org/simple/maturin/maturin-1.15.0-cp311-cp311-linux_armv7l.whl (6.5 MB) 2026-09-19T09:43:53,959 Installing collected packages: maturin 2026-09-19T09:43:54,472 Successfully installed maturin-1.15.0 2026-09-19T09:43:54,770 Installing build dependencies: finished with status 'done' 2026-09-19T09:43:54,776 Getting requirements to build wheel: started 2026-09-19T09:43:54,777 Running command Getting requirements to build wheel 2026-09-19T09:43:54,985 Getting requirements to build wheel: finished with status 'done' 2026-09-19T09:43:54,988 Created temporary directory: /tmp/pip-modern-metadata-jqe446q6 2026-09-19T09:43:54,991 Preparing metadata (pyproject.toml): started 2026-09-19T09:43:54,992 Running command Preparing metadata (pyproject.toml) 2026-09-19T09:43:55,615 🍹 Building a mixed python/rust project 2026-09-19T09:43:55,938 🐍 Found CPython 3.11 at /usr/bin/python3 2026-09-19T09:43:55,939 🔗 Found pyo3 bindings 2026-09-19T09:43:55,951 two_electron-2.1.1.dist-info 2026-09-19T09:43:55,952 Checking for Rust toolchain.... 2026-09-19T09:43:55,953 Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-jqe446q6 --interpreter /usr/bin/python3` 2026-09-19T09:43:55,975 Preparing metadata (pyproject.toml): finished with status 'done' 2026-09-19T09:43:55,980 Source in /tmp/pip-wheel-y5k_eocj/two-electron_c066b07c17474f6cb838852d33136d44 has version 2.1.1, which satisfies requirement two-electron==2.1.1 from https://files.pythonhosted.org/packages/8c/29/2c269a06cca4b0efe9821283eeb9ec6b184425a26f61cb6b3730fc72779c/two_electron-2.1.1.tar.gz 2026-09-19T09:43:55,981 Removed two-electron==2.1.1 from https://files.pythonhosted.org/packages/8c/29/2c269a06cca4b0efe9821283eeb9ec6b184425a26f61cb6b3730fc72779c/two_electron-2.1.1.tar.gz from build tracker '/tmp/pip-build-tracker-4z_8f0vp' 2026-09-19T09:43:55,985 Created temporary directory: /tmp/pip-unpack-bab0zalp 2026-09-19T09:43:55,986 Building wheels for collected packages: two-electron 2026-09-19T09:43:55,991 Created temporary directory: /tmp/pip-wheel-2l54_on5 2026-09-19T09:43:55,992 Destination directory: /tmp/pip-wheel-2l54_on5 2026-09-19T09:43:55,994 Building wheel for two-electron (pyproject.toml): started 2026-09-19T09:43:55,995 Running command Building wheel for two-electron (pyproject.toml) 2026-09-19T09:43:56,163 Running `maturin pep517 build-wheel -i /usr/bin/python3 --compatibility off` 2026-09-19T09:43:56,598 🍹 Building a mixed python/rust project 2026-09-19T09:43:56,904 🐍 Found CPython 3.11 at /usr/bin/python3 2026-09-19T09:43:56,904 🔗 Found pyo3 bindings 2026-09-19T09:43:59,478 Compiling target-lexicon v0.13.5 2026-09-19T09:43:59,479 Compiling autocfg v1.5.1 2026-09-19T09:43:59,480 Compiling proc-macro2 v1.0.107 2026-09-19T09:43:59,480 Compiling quote v1.0.47 2026-09-19T09:44:00,950 Compiling unicode-ident v1.0.24 2026-09-19T09:44:01,556 Compiling libc v0.2.189 2026-09-19T09:44:03,104 Compiling num-traits v0.2.19 2026-09-19T09:44:04,343 Compiling matrixmultiply v0.3.11 2026-09-19T09:44:05,381 Compiling heck v0.5.0 2026-09-19T09:44:07,195 Compiling pyo3-build-config v0.29.2 2026-09-19T09:44:10,337 Compiling syn v2.0.119 2026-09-19T09:44:18,158 Compiling pyo3-ffi v0.29.2 2026-09-19T09:44:19,632 Compiling pyo3 v0.29.2 2026-09-19T09:44:20,847 Compiling rawpointer v0.2.1 2026-09-19T09:44:21,007 Compiling numpy v0.29.0 2026-09-19T09:44:21,986 Compiling num-integer v0.1.47 2026-09-19T09:44:27,347 Compiling num-complex v0.4.6 2026-09-19T09:44:30,693 Compiling once_cell v1.21.4 2026-09-19T09:44:31,736 Compiling rustc-hash v2.1.3 2026-09-19T09:44:33,321 Compiling ndarray v0.17.2 2026-09-19T09:44:48,868 Compiling pyo3-macros-backend v0.29.2 2026-09-19T09:45:26,561 Compiling pyo3-macros v0.29.2 2026-09-19T09:46:21,206 Compiling sirfck v2.1.1 (/tmp/pip-wheel-y5k_eocj/two-electron_c066b07c17474f6cb838852d33136d44) 2026-09-19T09:46:24,749 Finished `release` profile [optimized] target(s) in 2m 27s 2026-09-19T09:46:24,991 📦 Built wheel for CPython 3.11 to /tmp/pip-wheel-y5k_eocj/two-electron_c066b07c17474f6cb838852d33136d44/target/wheels/two_electron-2.1.1-cp311-cp311-linux_armv7l.whl 2026-09-19T09:46:24,994 /tmp/pip-wheel-y5k_eocj/two-electron_c066b07c17474f6cb838852d33136d44/target/wheels/two_electron-2.1.1-cp311-cp311-linux_armv7l.whl 2026-09-19T09:46:25,024 Building wheel for two-electron (pyproject.toml): finished with status 'done' 2026-09-19T09:46:25,033 Created wheel for two-electron: filename=two_electron-2.1.1-cp311-cp311-linux_armv7l.whl size=295858 sha256=e0906c4c1ed62aaf2f23dca628bb91174d58329f7ac0edd05bc1d5e81e42efd3 2026-09-19T09:46:25,034 Stored in directory: /tmp/pip-ephem-wheel-cache-25w5ra85/wheels/96/7f/fb/333b12ef8532697c821aaf860f4f5241b8215a9cdb2c0c22e0 2026-09-19T09:46:25,043 Successfully built two-electron 2026-09-19T09:46:25,058 Removed build tracker: '/tmp/pip-build-tracker-4z_8f0vp'