2026-04-19T01:16:41,967 Created temporary directory: /tmp/pip-ephem-wheel-cache-u78hhwmr 2026-04-19T01:16:41,969 Created temporary directory: /tmp/pip-build-tracker-3e_qyf4f 2026-04-19T01:16:41,969 Initialized build tracking at /tmp/pip-build-tracker-3e_qyf4f 2026-04-19T01:16:41,970 Created build tracker: /tmp/pip-build-tracker-3e_qyf4f 2026-04-19T01:16:41,970 Entered build tracker: /tmp/pip-build-tracker-3e_qyf4f 2026-04-19T01:16:41,971 Created temporary directory: /tmp/pip-wheel-yqfx2iiy 2026-04-19T01:16:41,974 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453 2026-04-19T01:16:41,976 Created temporary directory: /tmp/pip-ephem-wheel-cache-ujw3oavw 2026-04-19T01:16:41,998 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-04-19T01:16:42,002 2 location(s) to search for versions of numcodecs-observers: 2026-04-19T01:16:42,002 * https://pypi.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,002 * https://www.piwheels.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,002 Fetching project page and analyzing links: https://pypi.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,003 Getting page https://pypi.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,004 Found index url https://pypi.org/simple 2026-04-19T01:16:42,249 Fetched page https://pypi.org/simple/numcodecs-observers/ as application/vnd.pypi.simple.v1+json 2026-04-19T01:16:42,251 Skipping link: No binaries permitted for numcodecs-observers: https://files.pythonhosted.org/packages/23/d8/530ef01f6d65bbb8cc38ae87669d312e71a9c7ee9a324f336ae7c72ac4bc/numcodecs_observers-0.1.0-py3-none-any.whl (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.12) 2026-04-19T01:16:42,252 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/85/dd/506d349ce4dc083a5519ec33fcf99b4292c136a24f05fcbe00465fd7b6e5/numcodecs_observers-0.1.0.tar.gz (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.12) 2026-04-19T01:16:42,253 Skipping link: 0.1.0 Requires-Python >=3.12: https://files.pythonhosted.org/packages/85/dd/506d349ce4dc083a5519ec33fcf99b4292c136a24f05fcbe00465fd7b6e5/numcodecs_observers-0.1.0.tar.gz (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.12) 2026-04-19T01:16:42,254 Skipping link: No binaries permitted for numcodecs-observers: https://files.pythonhosted.org/packages/d0/30/778c00aa7bcb40c049f25b396d77bdfa2bcc83173e1cc3c8b73411536657/numcodecs_observers-0.1.1-py3-none-any.whl (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.10) 2026-04-19T01:16:42,255 Found link https://files.pythonhosted.org/packages/a7/b9/24d37c75212bfa2e9ec39d16a8b73a0e18f4fcc8d4ba218b5dbb217af6f2/numcodecs_observers-0.1.1.tar.gz (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.10), version: 0.1.1 2026-04-19T01:16:42,255 Skipping link: No binaries permitted for numcodecs-observers: https://files.pythonhosted.org/packages/a2/3f/33efa98c8ada32339d4027a0c0adbaca129dcd0b03c9243d8ca2d8883c70/numcodecs_observers-0.1.2-py3-none-any.whl (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.10) 2026-04-19T01:16:42,256 Found link https://files.pythonhosted.org/packages/dd/10/9b644a4fa08fb152da342b54b7c69d7b7fcd3e5dcdc32501cd0adee11c00/numcodecs_observers-0.1.2.tar.gz (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.10), version: 0.1.2 2026-04-19T01:16:42,257 Skipping link: No binaries permitted for numcodecs-observers: https://files.pythonhosted.org/packages/77/19/79fe81c0d514e43343a75e386f73b921047e362bbace627b66dcde3e731a/numcodecs_observers-0.1.3-py3-none-any.whl (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.10) 2026-04-19T01:16:42,258 Found link https://files.pythonhosted.org/packages/58/95/2504eca6a433bad60b117b7b6b7cd73598306080fe52742aef5749802f60/numcodecs_observers-0.1.3.tar.gz (from https://pypi.org/simple/numcodecs-observers/) (requires-python:>=3.10), version: 0.1.3 2026-04-19T01:16:42,259 Fetching project page and analyzing links: https://www.piwheels.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,260 Getting page https://www.piwheels.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,261 Found index url https://www.piwheels.org/simple 2026-04-19T01:16:42,442 Fetched page https://www.piwheels.org/simple/numcodecs-observers/ as text/html 2026-04-19T01:16:42,444 Skipping link: No binaries permitted for numcodecs-observers: https://archive1.piwheels.org/simple/numcodecs-observers/numcodecs_observers-0.1.2-py3-none-any.whl#sha256=956662ce8d31a1312193a43869bf23948122bff42a842eb831db7f60d37c5a9f (from https://www.piwheels.org/simple/numcodecs-observers/) (requires-python:>=3.10) 2026-04-19T01:16:42,445 Skipping link: No binaries permitted for numcodecs-observers: https://archive1.piwheels.org/simple/numcodecs-observers/numcodecs_observers-0.1.1-py3-none-any.whl#sha256=1c139d9fb1ba289e50ee55c6f9aeaf75924dfa44d929650d9126f98530ca2ae7 (from https://www.piwheels.org/simple/numcodecs-observers/) (requires-python:>=3.10) 2026-04-19T01:16:42,446 Skipping link: No binaries permitted for numcodecs-observers: https://archive1.piwheels.org/simple/numcodecs-observers/numcodecs_observers-0.1.0-py3-none-any.whl#sha256=bf424f4da89063a1767b874f38b5abf947657976cb4cd9928699420e4b2baeb1 (from https://www.piwheels.org/simple/numcodecs-observers/) (requires-python:>=3.12) 2026-04-19T01:16:42,446 Skipping link: not a file: https://www.piwheels.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,447 Skipping link: not a file: https://pypi.org/simple/numcodecs-observers/ 2026-04-19T01:16:42,467 Given no hashes to check 1 links for project 'numcodecs-observers': discarding no candidates 2026-04-19T01:16:42,486 Collecting numcodecs-observers==0.1.3 2026-04-19T01:16:42,488 Created temporary directory: /tmp/pip-unpack-sog_g6pf 2026-04-19T01:16:42,650 Downloading numcodecs_observers-0.1.3.tar.gz (12 kB) 2026-04-19T01:16:42,691 Added numcodecs-observers==0.1.3 from https://files.pythonhosted.org/packages/58/95/2504eca6a433bad60b117b7b6b7cd73598306080fe52742aef5749802f60/numcodecs_observers-0.1.3.tar.gz to build tracker '/tmp/pip-build-tracker-3e_qyf4f' 2026-04-19T01:16:42,695 Created temporary directory: /tmp/pip-build-env-ed_fgl4_ 2026-04-19T01:16:42,700 Installing build dependencies: started 2026-04-19T01:16:42,702 Running command pip subprocess to install build dependencies 2026-04-19T01:16:43,862 Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11) 2026-04-19T01:16:44,303 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453 2026-04-19T01:16:44,325 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-04-19T01:16:44,872 Collecting hatchling 2026-04-19T01:16:44,891 Using cached https://www.piwheels.org/simple/hatchling/hatchling-1.29.0-py3-none-any.whl (76 kB) 2026-04-19T01:16:45,085 Collecting packaging>=24.2 2026-04-19T01:16:45,104 Using cached https://www.piwheels.org/simple/packaging/packaging-26.1-py3-none-any.whl (95 kB) 2026-04-19T01:16:45,225 Collecting pathspec>=0.10.1 2026-04-19T01:16:45,242 Using cached https://www.piwheels.org/simple/pathspec/pathspec-1.0.4-py3-none-any.whl (55 kB) 2026-04-19T01:16:45,364 Collecting pluggy>=1.0.0 2026-04-19T01:16:45,379 Using cached https://www.piwheels.org/simple/pluggy/pluggy-1.6.0-py3-none-any.whl (20 kB) 2026-04-19T01:16:45,627 Collecting trove-classifiers 2026-04-19T01:16:45,642 Using cached https://www.piwheels.org/simple/trove-classifiers/trove_classifiers-2026.1.14.14-py3-none-any.whl (14 kB) 2026-04-19T01:16:48,323 Installing collected packages: trove-classifiers, pluggy, pathspec, packaging, hatchling 2026-04-19T01:16:48,360 Creating /tmp/pip-build-env-ed_fgl4_/overlay/local/bin 2026-04-19T01:16:48,362 changing mode of /tmp/pip-build-env-ed_fgl4_/overlay/local/bin/trove-classifiers to 755 2026-04-19T01:16:49,552 changing mode of /tmp/pip-build-env-ed_fgl4_/overlay/local/bin/hatchling to 755 2026-04-19T01:16:49,587 Successfully installed hatchling-1.29.0 packaging-26.1 pathspec-1.0.4 pluggy-1.6.0 trove-classifiers-2026.1.14.14 2026-04-19T01:16:49,836 Installing build dependencies: finished with status 'done' 2026-04-19T01:16:49,842 Getting requirements to build wheel: started 2026-04-19T01:16:49,843 Running command Getting requirements to build wheel 2026-04-19T01:16:50,190 Getting requirements to build wheel: finished with status 'done' 2026-04-19T01:16:50,195 Created temporary directory: /tmp/pip-modern-metadata-bsv8vavb 2026-04-19T01:16:50,198 Preparing metadata (pyproject.toml): started 2026-04-19T01:16:50,200 Running command Preparing metadata (pyproject.toml) 2026-04-19T01:16:50,753 Preparing metadata (pyproject.toml): finished with status 'done' 2026-04-19T01:16:50,761 Source in /tmp/pip-wheel-yqfx2iiy/numcodecs-observers_349cbf3a177f4f6085d6f425023936dd has version 0.1.3, which satisfies requirement numcodecs-observers==0.1.3 from https://files.pythonhosted.org/packages/58/95/2504eca6a433bad60b117b7b6b7cd73598306080fe52742aef5749802f60/numcodecs_observers-0.1.3.tar.gz 2026-04-19T01:16:50,762 Removed numcodecs-observers==0.1.3 from https://files.pythonhosted.org/packages/58/95/2504eca6a433bad60b117b7b6b7cd73598306080fe52742aef5749802f60/numcodecs_observers-0.1.3.tar.gz from build tracker '/tmp/pip-build-tracker-3e_qyf4f' 2026-04-19T01:16:50,774 Created temporary directory: /tmp/pip-unpack-icz2hqgk 2026-04-19T01:16:50,775 Building wheels for collected packages: numcodecs-observers 2026-04-19T01:16:50,780 Created temporary directory: /tmp/pip-wheel-zumclanp 2026-04-19T01:16:50,780 Destination directory: /tmp/pip-wheel-zumclanp 2026-04-19T01:16:50,783 Building wheel for numcodecs-observers (pyproject.toml): started 2026-04-19T01:16:50,784 Running command Building wheel for numcodecs-observers (pyproject.toml) 2026-04-19T01:16:50,914 Building wheel for numcodecs-observers (pyproject.toml): finished with status 'done' 2026-04-19T01:16:50,918 Created wheel for numcodecs-observers: filename=numcodecs_observers-0.1.3-py3-none-any.whl size=17566 sha256=ad3bdc6fcc7e43c92493bc1bb83fc70569dd46163539d174e26bc10bafd22640 2026-04-19T01:16:50,919 Stored in directory: /tmp/pip-ephem-wheel-cache-ujw3oavw/wheels/b4/d9/88/675d3978689779da85eef4a4f2a0b1f2049448a89c7ed62868 2026-04-19T01:16:50,939 Successfully built numcodecs-observers 2026-04-19T01:16:50,943 Removed build tracker: '/tmp/pip-build-tracker-3e_qyf4f'