2026-09-18T15:42:09,934 Created temporary directory: /tmp/pip-ephem-wheel-cache-czzknein 2026-09-18T15:42:09,936 Created temporary directory: /tmp/pip-build-tracker-nek_g345 2026-09-18T15:42:09,936 Initialized build tracking at /tmp/pip-build-tracker-nek_g345 2026-09-18T15:42:09,937 Created build tracker: /tmp/pip-build-tracker-nek_g345 2026-09-18T15:42:09,937 Entered build tracker: /tmp/pip-build-tracker-nek_g345 2026-09-18T15:42:09,938 Created temporary directory: /tmp/pip-wheel-sgstqam8 2026-09-18T15:42:09,941 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 2026-09-18T15:42:09,943 Created temporary directory: /tmp/pip-ephem-wheel-cache-ob3nxkcp 2026-09-18T15:42:09,965 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-09-18T15:42:09,969 2 location(s) to search for versions of two-electron: 2026-09-18T15:42:09,969 * https://pypi.org/simple/two-electron/ 2026-09-18T15:42:09,969 * https://www.piwheels.org/simple/two-electron/ 2026-09-18T15:42:09,970 Fetching project page and analyzing links: https://pypi.org/simple/two-electron/ 2026-09-18T15:42:09,971 Getting page https://pypi.org/simple/two-electron/ 2026-09-18T15:42:09,972 Found index url https://pypi.org/simple 2026-09-18T15:42:10,214 Fetched page https://pypi.org/simple/two-electron/ as application/vnd.pypi.simple.v1+json 2026-09-18T15:42:10,218 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 2026-09-18T15:42:10,219 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/) 2026-09-18T15:42:10,219 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/) 2026-09-18T15:42:10,220 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/) 2026-09-18T15:42:10,221 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 2026-09-18T15:42:10,221 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/) 2026-09-18T15:42:10,222 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/) 2026-09-18T15:42:10,223 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/) 2026-09-18T15:42:10,223 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/) 2026-09-18T15:42:10,224 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/) 2026-09-18T15:42:10,225 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/) 2026-09-18T15:42:10,225 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/) 2026-09-18T15:42:10,225 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 2026-09-18T15:42:10,226 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) 2026-09-18T15:42:10,227 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 2026-09-18T15:42:10,228 Fetching project page and analyzing links: https://www.piwheels.org/simple/two-electron/ 2026-09-18T15:42:10,228 Getting page https://www.piwheels.org/simple/two-electron/ 2026-09-18T15:42:10,230 Found index url https://www.piwheels.org/simple 2026-09-18T15:42:10,441 Fetched page https://www.piwheels.org/simple/two-electron/ as text/html 2026-09-18T15:42:10,446 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/) 2026-09-18T15:42:10,446 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/) 2026-09-18T15:42:10,447 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/) 2026-09-18T15:42:10,448 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/) 2026-09-18T15:42:10,448 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/) 2026-09-18T15:42:10,449 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/) 2026-09-18T15:42:10,449 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/) 2026-09-18T15:42:10,450 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/) 2026-09-18T15:42:10,451 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/) 2026-09-18T15:42:10,451 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/) 2026-09-18T15:42:10,452 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/) 2026-09-18T15:42:10,452 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/) 2026-09-18T15:42:10,453 Skipping link: not a file: https://www.piwheels.org/simple/two-electron/ 2026-09-18T15:42:10,453 Skipping link: not a file: https://pypi.org/simple/two-electron/ 2026-09-18T15:42:10,472 Given no hashes to check 1 links for project 'two-electron': discarding no candidates 2026-09-18T15:42:10,491 Collecting two-electron==2.1.0 2026-09-18T15:42:10,493 Created temporary directory: /tmp/pip-unpack-o2lhvfzv 2026-09-18T15:42:10,662 Downloading two_electron-2.1.0.tar.gz (1.5 MB) 2026-09-18T15:42:11,227 Added two-electron==2.1.0 from https://files.pythonhosted.org/packages/99/01/48cffd34735e0bca9b9e0f1e78f8b810d2680bac5429b58d9155077b9419/two_electron-2.1.0.tar.gz to build tracker '/tmp/pip-build-tracker-nek_g345' 2026-09-18T15:42:11,231 Created temporary directory: /tmp/pip-build-env-e61vp0oh 2026-09-18T15:42:11,235 Installing build dependencies: started 2026-09-18T15:42:11,236 Running command pip subprocess to install build dependencies 2026-09-18T15:42:12,402 Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11) 2026-09-18T15:42:12,827 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 2026-09-18T15:42:12,850 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-09-18T15:42:14,876 Collecting maturin<2.0,>=1.15 2026-09-18T15:42:14,877 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 2026-09-18T15:42:14,896 Using cached https://www.piwheels.org/simple/maturin/maturin-1.15.0-cp311-cp311-linux_armv7l.whl.metadata (17 kB) 2026-09-18T15:42:15,401 Using cached https://www.piwheels.org/simple/maturin/maturin-1.15.0-cp311-cp311-linux_armv7l.whl (6.5 MB) 2026-09-18T15:42:15,982 Using cached https://www.piwheels.org/simple/maturin/maturin-1.15.0-cp311-cp311-linux_armv7l.whl (6.5 MB) 2026-09-18T15:42:18,695 Installing collected packages: maturin 2026-09-18T15:42:19,209 Successfully installed maturin-1.15.0 2026-09-18T15:42:19,514 Installing build dependencies: finished with status 'done' 2026-09-18T15:42:19,521 Getting requirements to build wheel: started 2026-09-18T15:42:19,522 Running command Getting requirements to build wheel 2026-09-18T15:42:19,725 Getting requirements to build wheel: finished with status 'done' 2026-09-18T15:42:19,728 Created temporary directory: /tmp/pip-modern-metadata-p63syn5d 2026-09-18T15:42:19,730 Preparing metadata (pyproject.toml): started 2026-09-18T15:42:19,732 Running command Preparing metadata (pyproject.toml) 2026-09-18T15:42:20,344 🍹 Building a mixed python/rust project 2026-09-18T15:42:20,686 🐍 Found CPython 3.11 at /usr/bin/python3 2026-09-18T15:42:20,686 🔗 Found pyo3 bindings 2026-09-18T15:42:20,696 two_electron-2.1.0.dist-info 2026-09-18T15:42:20,697 Checking for Rust toolchain.... 2026-09-18T15:42:20,697 Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-p63syn5d --interpreter /usr/bin/python3` 2026-09-18T15:42:20,720 Preparing metadata (pyproject.toml): finished with status 'done' 2026-09-18T15:42:20,724 Source in /tmp/pip-wheel-sgstqam8/two-electron_1cd53d953fc6409aa29fc1b94427b1ff has version 2.1.0, which satisfies requirement two-electron==2.1.0 from https://files.pythonhosted.org/packages/99/01/48cffd34735e0bca9b9e0f1e78f8b810d2680bac5429b58d9155077b9419/two_electron-2.1.0.tar.gz 2026-09-18T15:42:20,725 Removed two-electron==2.1.0 from https://files.pythonhosted.org/packages/99/01/48cffd34735e0bca9b9e0f1e78f8b810d2680bac5429b58d9155077b9419/two_electron-2.1.0.tar.gz from build tracker '/tmp/pip-build-tracker-nek_g345' 2026-09-18T15:42:20,729 Created temporary directory: /tmp/pip-unpack-8myosd7q 2026-09-18T15:42:20,730 Building wheels for collected packages: two-electron 2026-09-18T15:42:20,735 Created temporary directory: /tmp/pip-wheel-g4_l8rgi 2026-09-18T15:42:20,735 Destination directory: /tmp/pip-wheel-g4_l8rgi 2026-09-18T15:42:20,738 Building wheel for two-electron (pyproject.toml): started 2026-09-18T15:42:20,739 Running command Building wheel for two-electron (pyproject.toml) 2026-09-18T15:42:20,904 Running `maturin pep517 build-wheel -i /usr/bin/python3 --compatibility off` 2026-09-18T15:42:21,276 🍹 Building a mixed python/rust project 2026-09-18T15:42:21,616 🐍 Found CPython 3.11 at /usr/bin/python3 2026-09-18T15:42:21,617 🔗 Found pyo3 bindings 2026-09-18T15:42:21,993 Compiling target-lexicon v0.13.5 2026-09-18T15:42:21,994 Compiling autocfg v1.5.1 2026-09-18T15:42:21,994 Compiling proc-macro2 v1.0.107 2026-09-18T15:42:21,995 Compiling quote v1.0.47 2026-09-18T15:42:23,475 Compiling unicode-ident v1.0.24 2026-09-18T15:42:24,088 Compiling libc v0.2.189 2026-09-18T15:42:25,608 Compiling num-traits v0.2.19 2026-09-18T15:42:26,956 Compiling matrixmultiply v0.3.11 2026-09-18T15:42:27,994 Compiling heck v0.5.0 2026-09-18T15:42:29,820 Compiling pyo3-build-config v0.29.2 2026-09-18T15:42:32,866 Compiling syn v2.0.119 2026-09-18T15:42:40,915 Compiling pyo3-ffi v0.29.2 2026-09-18T15:42:42,022 Compiling pyo3 v0.29.2 2026-09-18T15:42:43,377 Compiling rawpointer v0.2.1 2026-09-18T15:42:43,861 Compiling numpy v0.29.0 2026-09-18T15:42:44,810 Compiling num-integer v0.1.47 2026-09-18T15:42:50,284 Compiling num-complex v0.4.6 2026-09-18T15:42:53,561 Compiling once_cell v1.21.4 2026-09-18T15:42:54,471 Compiling rustc-hash v2.1.3 2026-09-18T15:42:56,211 Compiling ndarray v0.17.2 2026-09-18T15:43:10,979 Compiling pyo3-macros-backend v0.29.2 2026-09-18T15:43:47,999 Compiling pyo3-macros v0.29.2 2026-09-18T15:44:42,576 Compiling sirfck v2.1.0 (/tmp/pip-wheel-sgstqam8/two-electron_1cd53d953fc6409aa29fc1b94427b1ff) 2026-09-18T15:44:46,006 Finished `release` profile [optimized] target(s) in 2m 24s 2026-09-18T15:44:46,243 📦 Built wheel for CPython 3.11 to /tmp/pip-wheel-sgstqam8/two-electron_1cd53d953fc6409aa29fc1b94427b1ff/target/wheels/two_electron-2.1.0-cp311-cp311-linux_armv7l.whl 2026-09-18T15:44:46,246 /tmp/pip-wheel-sgstqam8/two-electron_1cd53d953fc6409aa29fc1b94427b1ff/target/wheels/two_electron-2.1.0-cp311-cp311-linux_armv7l.whl 2026-09-18T15:44:46,277 Building wheel for two-electron (pyproject.toml): finished with status 'done' 2026-09-18T15:44:46,285 Created wheel for two-electron: filename=two_electron-2.1.0-cp311-cp311-linux_armv7l.whl size=284677 sha256=22ed115aae5df30d7db06af13428ee7e12ff4427be8b924ba2f4a81472fbb37f 2026-09-18T15:44:46,286 Stored in directory: /tmp/pip-ephem-wheel-cache-ob3nxkcp/wheels/49/7e/d2/f9d2b6d5abe1c9f18a781822960e13a72ff6b4be03e4434e67 2026-09-18T15:44:46,294 Successfully built two-electron 2026-09-18T15:44:46,309 Removed build tracker: '/tmp/pip-build-tracker-nek_g345'