2026-02-13T03:44:50,470 Created temporary directory: /tmp/pip-ephem-wheel-cache-z66bcsag
2026-02-13T03:44:50,472 Created temporary directory: /tmp/pip-build-tracker-jtktyl0m
2026-02-13T03:44:50,473 Initialized build tracking at /tmp/pip-build-tracker-jtktyl0m
2026-02-13T03:44:50,473 Created build tracker: /tmp/pip-build-tracker-jtktyl0m
2026-02-13T03:44:50,474 Entered build tracker: /tmp/pip-build-tracker-jtktyl0m
2026-02-13T03:44:50,475 Created temporary directory: /tmp/pip-wheel-dh06h7co
2026-02-13T03:44:50,478 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
2026-02-13T03:44:50,480 Created temporary directory: /tmp/pip-ephem-wheel-cache-zymcl8kq
2026-02-13T03:44:50,502 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-02-13T03:44:50,505 2 location(s) to search for versions of flash-attn-4:
2026-02-13T03:44:50,505 * https://pypi.org/simple/flash-attn-4/
2026-02-13T03:44:50,505 * https://www.piwheels.org/simple/flash-attn-4/
2026-02-13T03:44:50,506 Fetching project page and analyzing links: https://pypi.org/simple/flash-attn-4/
2026-02-13T03:44:50,507 Getting page https://pypi.org/simple/flash-attn-4/
2026-02-13T03:44:50,508 Found index url https://pypi.org/simple
2026-02-13T03:44:50,795 Fetched page https://pypi.org/simple/flash-attn-4/ as application/vnd.pypi.simple.v1+json
2026-02-13T03:44:50,796   Skipping link: No binaries permitted for flash-attn-4: https://files.pythonhosted.org/packages/76/13/06fd1cc5716ee960f6c678ec09ad037df6dcb9605d50448aef33f663b341/flash_attn_4-0.0.1-py3-none-any.whl (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-02-13T03:44:50,797   Found link https://files.pythonhosted.org/packages/d9/c7/4236d83abcd6a5235f921a74251a99df37177e1ecd3e6879967a47fd63f0/flash_attn_4-0.0.1.tar.gz (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10), version: 0.0.1
2026-02-13T03:44:50,798 Fetching project page and analyzing links: https://www.piwheels.org/simple/flash-attn-4/
2026-02-13T03:44:50,798 Getting page https://www.piwheels.org/simple/flash-attn-4/
2026-02-13T03:44:50,800 Found index url https://www.piwheels.org/simple
2026-02-13T03:44:50,993 Fetched page https://www.piwheels.org/simple/flash-attn-4/ as text/html
2026-02-13T03:44:50,995 Skipping link: not a file: https://www.piwheels.org/simple/flash-attn-4/
2026-02-13T03:44:50,995 Skipping link: not a file: https://pypi.org/simple/flash-attn-4/
2026-02-13T03:44:51,016 Given no hashes to check 1 links for project 'flash-attn-4': discarding no candidates
2026-02-13T03:44:51,035 Collecting flash-attn-4==0.0.1
2026-02-13T03:44:51,038   Created temporary directory: /tmp/pip-unpack-674zuyr3
2026-02-13T03:44:51,250   Downloading flash_attn_4-0.0.1.tar.gz (1.1 kB)
2026-02-13T03:44:51,296   Added flash-attn-4==0.0.1 from https://files.pythonhosted.org/packages/d9/c7/4236d83abcd6a5235f921a74251a99df37177e1ecd3e6879967a47fd63f0/flash_attn_4-0.0.1.tar.gz to build tracker '/tmp/pip-build-tracker-jtktyl0m'
2026-02-13T03:44:51,300   Created temporary directory: /tmp/pip-build-env-0eb73q5q
2026-02-13T03:44:51,305   Installing build dependencies: started
2026-02-13T03:44:51,306   Running command pip subprocess to install build dependencies
2026-02-13T03:44:52,439   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-02-13T03:44:53,000   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
2026-02-13T03:44:53,025   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-02-13T03:44:54,750   Collecting setuptools>=61.0
2026-02-13T03:44:54,824     Using cached https://www.piwheels.org/simple/setuptools/setuptools-82.0.0-py3-none-any.whl (1.0 MB)
2026-02-13T03:44:57,838   Installing collected packages: setuptools
2026-02-13T03:45:01,029   Successfully installed setuptools-82.0.0
2026-02-13T03:45:01,314   Installing build dependencies: finished with status 'done'
2026-02-13T03:45:01,321   Getting requirements to build wheel: started
2026-02-13T03:45:01,322   Running command Getting requirements to build wheel
2026-02-13T03:45:02,029   running egg_info
2026-02-13T03:45:02,036   writing src/flash_attn_4.egg-info/PKG-INFO
2026-02-13T03:45:02,038   writing dependency_links to src/flash_attn_4.egg-info/dependency_links.txt
2026-02-13T03:45:02,041   writing top-level names to src/flash_attn_4.egg-info/top_level.txt
2026-02-13T03:45:02,058   reading manifest file 'src/flash_attn_4.egg-info/SOURCES.txt'
2026-02-13T03:45:02,063   writing manifest file 'src/flash_attn_4.egg-info/SOURCES.txt'
2026-02-13T03:45:02,159   Getting requirements to build wheel: finished with status 'done'
2026-02-13T03:45:02,162   Created temporary directory: /tmp/pip-modern-metadata-x8bxdyks
2026-02-13T03:45:02,164   Preparing metadata (pyproject.toml): started
2026-02-13T03:45:02,166   Running command Preparing metadata (pyproject.toml)
2026-02-13T03:45:02,794   running dist_info
2026-02-13T03:45:02,804   creating /tmp/pip-modern-metadata-x8bxdyks/flash_attn_4.egg-info
2026-02-13T03:45:02,805   writing /tmp/pip-modern-metadata-x8bxdyks/flash_attn_4.egg-info/PKG-INFO
2026-02-13T03:45:02,808   writing dependency_links to /tmp/pip-modern-metadata-x8bxdyks/flash_attn_4.egg-info/dependency_links.txt
2026-02-13T03:45:02,810   writing top-level names to /tmp/pip-modern-metadata-x8bxdyks/flash_attn_4.egg-info/top_level.txt
2026-02-13T03:45:02,812   writing manifest file '/tmp/pip-modern-metadata-x8bxdyks/flash_attn_4.egg-info/SOURCES.txt'
2026-02-13T03:45:02,828   reading manifest file '/tmp/pip-modern-metadata-x8bxdyks/flash_attn_4.egg-info/SOURCES.txt'
2026-02-13T03:45:02,832   writing manifest file '/tmp/pip-modern-metadata-x8bxdyks/flash_attn_4.egg-info/SOURCES.txt'
2026-02-13T03:45:02,833   creating '/tmp/pip-modern-metadata-x8bxdyks/flash_attn_4-0.0.1.dist-info'
2026-02-13T03:45:02,950   Preparing metadata (pyproject.toml): finished with status 'done'
2026-02-13T03:45:02,955   Source in /tmp/pip-wheel-dh06h7co/flash-attn-4_1a8dabcec2784d29b41e5ee19ed60ea3 has version 0.0.1, which satisfies requirement flash-attn-4==0.0.1 from https://files.pythonhosted.org/packages/d9/c7/4236d83abcd6a5235f921a74251a99df37177e1ecd3e6879967a47fd63f0/flash_attn_4-0.0.1.tar.gz
2026-02-13T03:45:02,956   Removed flash-attn-4==0.0.1 from https://files.pythonhosted.org/packages/d9/c7/4236d83abcd6a5235f921a74251a99df37177e1ecd3e6879967a47fd63f0/flash_attn_4-0.0.1.tar.gz from build tracker '/tmp/pip-build-tracker-jtktyl0m'
2026-02-13T03:45:02,961 Created temporary directory: /tmp/pip-unpack-isiei5ty
2026-02-13T03:45:02,962 Building wheels for collected packages: flash-attn-4
2026-02-13T03:45:02,966   Created temporary directory: /tmp/pip-wheel-3rkj4p2z
2026-02-13T03:45:02,967   Destination directory: /tmp/pip-wheel-3rkj4p2z
2026-02-13T03:45:02,969   Building wheel for flash-attn-4 (pyproject.toml): started
2026-02-13T03:45:02,971   Running command Building wheel for flash-attn-4 (pyproject.toml)
2026-02-13T03:45:03,627   running bdist_wheel
2026-02-13T03:45:03,644   running build
2026-02-13T03:45:03,645   running build_py
2026-02-13T03:45:03,651   creating build/lib/flash_attn_4
2026-02-13T03:45:03,653   copying src/flash_attn_4/__init__.py -> build/lib/flash_attn_4
2026-02-13T03:45:03,654   running egg_info
2026-02-13T03:45:03,664   writing src/flash_attn_4.egg-info/PKG-INFO
2026-02-13T03:45:03,667   writing dependency_links to src/flash_attn_4.egg-info/dependency_links.txt
2026-02-13T03:45:03,668   writing top-level names to src/flash_attn_4.egg-info/top_level.txt
2026-02-13T03:45:03,676   reading manifest file 'src/flash_attn_4.egg-info/SOURCES.txt'
2026-02-13T03:45:03,680   writing manifest file 'src/flash_attn_4.egg-info/SOURCES.txt'
2026-02-13T03:45:03,691   installing to build/bdist.linux-armv7l/wheel
2026-02-13T03:45:03,691   running install
2026-02-13T03:45:03,715   running install_lib
2026-02-13T03:45:03,720   creating build/bdist.linux-armv7l/wheel
2026-02-13T03:45:03,722   creating build/bdist.linux-armv7l/wheel/flash_attn_4
2026-02-13T03:45:03,723   copying build/lib/flash_attn_4/__init__.py -> build/bdist.linux-armv7l/wheel/./flash_attn_4
2026-02-13T03:45:03,725   running install_egg_info
2026-02-13T03:45:03,729   Copying src/flash_attn_4.egg-info to build/bdist.linux-armv7l/wheel/./flash_attn_4-0.0.1-py3.11.egg-info
2026-02-13T03:45:03,737   running install_scripts
2026-02-13T03:45:03,746   creating build/bdist.linux-armv7l/wheel/flash_attn_4-0.0.1.dist-info/WHEEL
2026-02-13T03:45:03,749   creating '/tmp/pip-wheel-3rkj4p2z/.tmp-sejte30m/flash_attn_4-0.0.1-py3-none-any.whl' and adding 'build/bdist.linux-armv7l/wheel' to it
2026-02-13T03:45:03,751   adding 'flash_attn_4/__init__.py'
2026-02-13T03:45:03,753   adding 'flash_attn_4-0.0.1.dist-info/METADATA'
2026-02-13T03:45:03,754   adding 'flash_attn_4-0.0.1.dist-info/WHEEL'
2026-02-13T03:45:03,755   adding 'flash_attn_4-0.0.1.dist-info/top_level.txt'
2026-02-13T03:45:03,756   adding 'flash_attn_4-0.0.1.dist-info/RECORD'
2026-02-13T03:45:03,756   removing build/bdist.linux-armv7l/wheel
2026-02-13T03:45:03,856   Building wheel for flash-attn-4 (pyproject.toml): finished with status 'done'
2026-02-13T03:45:03,860   Created wheel for flash-attn-4: filename=flash_attn_4-0.0.1-py3-none-any.whl size=1354 sha256=2c6f6f0975d8a20d64717f45ae2bac5778a6b2a5e9a7ffb7db142e68ce1df99d
2026-02-13T03:45:03,861   Stored in directory: /tmp/pip-ephem-wheel-cache-zymcl8kq/wheels/f0/37/4e/4cdfedd6b13d825b6b312f2e15d7864a31df537c1cc8606627
2026-02-13T03:45:03,869 Successfully built flash-attn-4
2026-02-13T03:45:03,871 Removed build tracker: '/tmp/pip-build-tracker-jtktyl0m'