2026-04-01T09:51:09,572 Created temporary directory: /tmp/pip-ephem-wheel-cache-zya2_ron
2026-04-01T09:51:09,574 Created temporary directory: /tmp/pip-build-tracker-h8rkndud
2026-04-01T09:51:09,575 Initialized build tracking at /tmp/pip-build-tracker-h8rkndud
2026-04-01T09:51:09,575 Created build tracker: /tmp/pip-build-tracker-h8rkndud
2026-04-01T09:51:09,576 Entered build tracker: /tmp/pip-build-tracker-h8rkndud
2026-04-01T09:51:09,576 Created temporary directory: /tmp/pip-wheel-dala5zj7
2026-04-01T09:51:09,579 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
2026-04-01T09:51:09,582 Created temporary directory: /tmp/pip-ephem-wheel-cache-npyi5r5d
2026-04-01T09:51:09,604 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-01T09:51:09,608 2 location(s) to search for versions of flash-attn-4:
2026-04-01T09:51:09,608 * https://pypi.org/simple/flash-attn-4/
2026-04-01T09:51:09,608 * https://www.piwheels.org/simple/flash-attn-4/
2026-04-01T09:51:09,609 Fetching project page and analyzing links: https://pypi.org/simple/flash-attn-4/
2026-04-01T09:51:09,610 Getting page https://pypi.org/simple/flash-attn-4/
2026-04-01T09:51:09,611 Found index url https://pypi.org/simple
2026-04-01T09:51:09,767 Fetched page https://pypi.org/simple/flash-attn-4/ as application/vnd.pypi.simple.v1+json
2026-04-01T09:51:09,770   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)
2026-04-01T09:51:09,771   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
2026-04-01T09:51:09,772   Skipping link: No binaries permitted for flash-attn-4: https://files.pythonhosted.org/packages/d6/85/50b336261a4e7c801215e2a6e8ef9cc6f236e8ad7ed6eea31e8cb66c1804/flash_attn_4-4.0.0b3-py3-none-any.whl (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,773   Found link https://files.pythonhosted.org/packages/8a/36/aab028ba5843b3ba21d37434c2b8891e4f105ec586261960086903b34228/flash_attn_4-4.0.0b3.tar.gz (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10), version: 4.0.0b3
2026-04-01T09:51:09,774   Skipping link: No binaries permitted for flash-attn-4: https://files.pythonhosted.org/packages/73/8e/b27eed4f2dcb9e5a89719e2233be36e86faa64fd1bead802265c7a7b046c/flash_attn_4-4.0.0b4-py3-none-any.whl (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,775   Found link https://files.pythonhosted.org/packages/aa/a4/5ef0725e72c803b3dc9fe2dcd1e2e1b06712b7ca69bcaababae3d7f078d0/flash_attn_4-4.0.0b4.tar.gz (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10), version: 4.0.0b4
2026-04-01T09:51:09,776   Skipping link: No binaries permitted for flash-attn-4: https://files.pythonhosted.org/packages/24/f7/01ee2576ce41f9884d291ee21861ef194afc0b2b1ce3bd175fc7a6e1b133/flash_attn_4-4.0.0b5-py3-none-any.whl (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,777   Found link https://files.pythonhosted.org/packages/7a/37/5b0128141da6faf03ec0cee1fc30061a3f50a3a4fcf6bc2a8bafa32e4cd2/flash_attn_4-4.0.0b5.tar.gz (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10), version: 4.0.0b5
2026-04-01T09:51:09,777   Skipping link: No binaries permitted for flash-attn-4: https://files.pythonhosted.org/packages/43/ae/2fc8645593f12bce760c944d5545ce11b8f45a817421a8ea4e67fe313c5b/flash_attn_4-4.0.0b7-py3-none-any.whl (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,778   Found link https://files.pythonhosted.org/packages/8e/8d/a074d34ab7d5b82c4ccd6018543ee410101b00bc5c0e6ced78625f680d2b/flash_attn_4-4.0.0b7.tar.gz (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10), version: 4.0.0b7
2026-04-01T09:51:09,780 Fetching project page and analyzing links: https://www.piwheels.org/simple/flash-attn-4/
2026-04-01T09:51:09,780 Getting page https://www.piwheels.org/simple/flash-attn-4/
2026-04-01T09:51:09,781 Found index url https://www.piwheels.org/simple
2026-04-01T09:51:09,951 Fetched page https://www.piwheels.org/simple/flash-attn-4/ as text/html
2026-04-01T09:51:09,953   Skipping link: No binaries permitted for flash-attn-4: https://www.piwheels.org/simple/flash-attn-4/flash_attn_4-4.0.0b5-py3-none-any.whl#sha256=e9ec3cb0e5e4859eb6c5f01f1eb8a3ec581e58714546e45bf1e41a8bd38d42de (from https://www.piwheels.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,954   Skipping link: No binaries permitted for flash-attn-4: https://www.piwheels.org/simple/flash-attn-4/flash_attn_4-4.0.0b4-py3-none-any.whl#sha256=614f6eeef2d8004943ca7c2623a6968dc2ed5fa3536ff4175c3a488b0468a1f8 (from https://www.piwheels.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,954   Skipping link: No binaries permitted for flash-attn-4: https://www.piwheels.org/simple/flash-attn-4/flash_attn_4-4.0.0b3-py3-none-any.whl#sha256=4eefe752c6bcf421c95c1cfe6e9d54abdac235e9bc945c44752eca1cdd98038c (from https://www.piwheels.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,955   Skipping link: No binaries permitted for flash-attn-4: https://archive1.piwheels.org/simple/flash-attn-4/flash_attn_4-0.0.1-py3-none-any.whl#sha256=2c6f6f0975d8a20d64717f45ae2bac5778a6b2a5e9a7ffb7db142e68ce1df99d (from https://www.piwheels.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-01T09:51:09,955 Skipping link: not a file: https://www.piwheels.org/simple/flash-attn-4/
2026-04-01T09:51:09,956 Skipping link: not a file: https://pypi.org/simple/flash-attn-4/
2026-04-01T09:51:09,975 Given no hashes to check 1 links for project 'flash-attn-4': discarding no candidates
2026-04-01T09:51:09,993 Collecting flash-attn-4==4.0.0b7
2026-04-01T09:51:09,996   Created temporary directory: /tmp/pip-unpack-h7hmsrx8
2026-04-01T09:51:10,223   Downloading flash_attn_4-4.0.0b7.tar.gz (213 kB)
2026-04-01T09:51:10,458   Added flash-attn-4==4.0.0b7 from https://files.pythonhosted.org/packages/8e/8d/a074d34ab7d5b82c4ccd6018543ee410101b00bc5c0e6ced78625f680d2b/flash_attn_4-4.0.0b7.tar.gz to build tracker '/tmp/pip-build-tracker-h8rkndud'
2026-04-01T09:51:10,464   Created temporary directory: /tmp/pip-build-env-ib5ioaz2
2026-04-01T09:51:10,469   Installing build dependencies: started
2026-04-01T09:51:10,470   Running command pip subprocess to install build dependencies
2026-04-01T09:51:11,648   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-04-01T09:51:12,068   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
2026-04-01T09:51:12,093   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-01T09:51:13,849   Collecting setuptools>=75
2026-04-01T09:51:13,949     Using cached https://www.piwheels.org/simple/setuptools/setuptools-82.0.1-py3-none-any.whl (1.0 MB)
2026-04-01T09:51:14,324   Collecting setuptools-scm>=8
2026-04-01T09:51:14,341     Using cached https://www.piwheels.org/simple/setuptools-scm/setuptools_scm-10.0.5-py3-none-any.whl (21 kB)
2026-04-01T09:51:14,423   Collecting vcs-versioning>=1.0.0.dev0
2026-04-01T09:51:14,441     Using cached https://www.piwheels.org/simple/vcs-versioning/vcs_versioning-1.1.1-py3-none-any.whl (79 kB)
2026-04-01T09:51:14,619   Collecting packaging>=20
2026-04-01T09:51:14,634     Using cached https://www.piwheels.org/simple/packaging/packaging-26.0-py3-none-any.whl (74 kB)
2026-04-01T09:51:17,615   Installing collected packages: setuptools, packaging, vcs-versioning, setuptools-scm
2026-04-01T09:51:21,312     Creating /tmp/pip-build-env-ib5ioaz2/overlay/local/bin
2026-04-01T09:51:21,314     changing mode of /tmp/pip-build-env-ib5ioaz2/overlay/local/bin/vcs-versioning to 755
2026-04-01T09:51:21,425     changing mode of /tmp/pip-build-env-ib5ioaz2/overlay/local/bin/setuptools-scm to 755
2026-04-01T09:51:21,454   Successfully installed packaging-26.0 setuptools-82.0.1 setuptools-scm-10.0.5 vcs-versioning-1.1.1
2026-04-01T09:51:21,753   Installing build dependencies: finished with status 'done'
2026-04-01T09:51:21,759   Getting requirements to build wheel: started
2026-04-01T09:51:21,760   Running command Getting requirements to build wheel
2026-04-01T09:51:22,476   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-01T09:51:22,476   !!

2026-04-01T09:51:22,477           ********************************************************************************
2026-04-01T09:51:22,478           Please use a simple string containing a SPDX expression for `project.license`. You can also use `project.license-files`. (Both options available on setuptools>=77.0.0).

2026-04-01T09:51:22,479           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-01T09:51:22,479           or your builds will no longer be supported.

2026-04-01T09:51:22,480           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:22,481           ********************************************************************************

2026-04-01T09:51:22,482   !!
2026-04-01T09:51:22,483     corresp(dist, value, root_dir)
2026-04-01T09:51:22,553   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-01T09:51:22,554   !!

2026-04-01T09:51:22,555           ********************************************************************************
2026-04-01T09:51:22,555           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-01T09:51:22,557           License :: OSI Approved :: BSD License

2026-04-01T09:51:22,558           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:22,558           ********************************************************************************

2026-04-01T09:51:22,560   !!
2026-04-01T09:51:22,560     dist._finalize_license_expression()
2026-04-01T09:51:22,561   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-01T09:51:22,562   !!

2026-04-01T09:51:22,563           ********************************************************************************
2026-04-01T09:51:22,564           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-01T09:51:22,565           License :: OSI Approved :: BSD License

2026-04-01T09:51:22,566           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:22,567           ********************************************************************************

2026-04-01T09:51:22,568   !!
2026-04-01T09:51:22,568     self._finalize_license_expression()
2026-04-01T09:51:22,569   running egg_info
2026-04-01T09:51:22,577   writing flash_attn_4.egg-info/PKG-INFO
2026-04-01T09:51:22,581   writing dependency_links to flash_attn_4.egg-info/dependency_links.txt
2026-04-01T09:51:22,583   writing requirements to flash_attn_4.egg-info/requires.txt
2026-04-01T09:51:22,584   writing top-level names to flash_attn_4.egg-info/top_level.txt
2026-04-01T09:51:22,621   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/vcs_versioning/overrides.py:609: UserWarning: No GlobalOverrides context is active. Auto-creating one with SETUPTOOLS_SCM prefix for backwards compatibility. Consider using 'with GlobalOverrides.from_env("YOUR_TOOL"):' explicitly.
2026-04-01T09:51:22,622     return get_active_overrides().subprocess_timeout
2026-04-01T09:51:22,629   listing git files failed - pretending there aren't any
2026-04-01T09:51:22,634   reading manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-01T09:51:22,639   reading manifest template 'MANIFEST.in'
2026-04-01T09:51:22,641   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-01T09:51:22,642   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-01T09:51:22,642   no previously-included directories found matching 'build'
2026-04-01T09:51:22,643   no previously-included directories found matching 'dist'
2026-04-01T09:51:22,643   adding license file 'LICENSE'
2026-04-01T09:51:22,644   adding license file 'AUTHORS'
2026-04-01T09:51:22,648   writing manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-01T09:51:22,752   Getting requirements to build wheel: finished with status 'done'
2026-04-01T09:51:22,756   Created temporary directory: /tmp/pip-modern-metadata-t_n9fqw2
2026-04-01T09:51:22,758   Preparing metadata (pyproject.toml): started
2026-04-01T09:51:22,759   Running command Preparing metadata (pyproject.toml)
2026-04-01T09:51:23,428   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-01T09:51:23,428   !!

2026-04-01T09:51:23,429           ********************************************************************************
2026-04-01T09:51:23,430           Please use a simple string containing a SPDX expression for `project.license`. You can also use `project.license-files`. (Both options available on setuptools>=77.0.0).

2026-04-01T09:51:23,431           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-01T09:51:23,431           or your builds will no longer be supported.

2026-04-01T09:51:23,432           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:23,433           ********************************************************************************

2026-04-01T09:51:23,434   !!
2026-04-01T09:51:23,435     corresp(dist, value, root_dir)
2026-04-01T09:51:23,501   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-01T09:51:23,502   !!

2026-04-01T09:51:23,503           ********************************************************************************
2026-04-01T09:51:23,504           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-01T09:51:23,505           License :: OSI Approved :: BSD License

2026-04-01T09:51:23,506           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:23,507           ********************************************************************************

2026-04-01T09:51:23,508   !!
2026-04-01T09:51:23,509     dist._finalize_license_expression()
2026-04-01T09:51:23,509   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-01T09:51:23,510   !!

2026-04-01T09:51:23,511           ********************************************************************************
2026-04-01T09:51:23,511           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-01T09:51:23,513           License :: OSI Approved :: BSD License

2026-04-01T09:51:23,514           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:23,514           ********************************************************************************

2026-04-01T09:51:23,515   !!
2026-04-01T09:51:23,516     self._finalize_license_expression()
2026-04-01T09:51:23,516   running dist_info
2026-04-01T09:51:23,530   creating /tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info
2026-04-01T09:51:23,531   writing /tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info/PKG-INFO
2026-04-01T09:51:23,535   writing dependency_links to /tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info/dependency_links.txt
2026-04-01T09:51:23,538   writing requirements to /tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info/requires.txt
2026-04-01T09:51:23,539   writing top-level names to /tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info/top_level.txt
2026-04-01T09:51:23,540   writing manifest file '/tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info/SOURCES.txt'
2026-04-01T09:51:23,574   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/vcs_versioning/overrides.py:609: UserWarning: No GlobalOverrides context is active. Auto-creating one with SETUPTOOLS_SCM prefix for backwards compatibility. Consider using 'with GlobalOverrides.from_env("YOUR_TOOL"):' explicitly.
2026-04-01T09:51:23,574     return get_active_overrides().subprocess_timeout
2026-04-01T09:51:23,581   listing git files failed - pretending there aren't any
2026-04-01T09:51:23,585   reading manifest file '/tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info/SOURCES.txt'
2026-04-01T09:51:23,587   reading manifest template 'MANIFEST.in'
2026-04-01T09:51:23,589   warning: no previously-included files matching '*.egg-info/*' found anywhere in distribution
2026-04-01T09:51:23,589   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-01T09:51:23,590   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-01T09:51:23,590   no previously-included directories found matching 'build'
2026-04-01T09:51:23,591   no previously-included directories found matching 'dist'
2026-04-01T09:51:23,592   adding license file 'LICENSE'
2026-04-01T09:51:23,592   adding license file 'AUTHORS'
2026-04-01T09:51:23,595   writing manifest file '/tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4.egg-info/SOURCES.txt'
2026-04-01T09:51:23,596   creating '/tmp/pip-modern-metadata-t_n9fqw2/flash_attn_4-4.0.0b7.dist-info'
2026-04-01T09:51:23,727   Preparing metadata (pyproject.toml): finished with status 'done'
2026-04-01T09:51:23,732   Source in /tmp/pip-wheel-dala5zj7/flash-attn-4_2ba55429b8f5439b8b7b76af2e3ba7a7 has version 4.0.0b7, which satisfies requirement flash-attn-4==4.0.0b7 from https://files.pythonhosted.org/packages/8e/8d/a074d34ab7d5b82c4ccd6018543ee410101b00bc5c0e6ced78625f680d2b/flash_attn_4-4.0.0b7.tar.gz
2026-04-01T09:51:23,733   Removed flash-attn-4==4.0.0b7 from https://files.pythonhosted.org/packages/8e/8d/a074d34ab7d5b82c4ccd6018543ee410101b00bc5c0e6ced78625f680d2b/flash_attn_4-4.0.0b7.tar.gz from build tracker '/tmp/pip-build-tracker-h8rkndud'
2026-04-01T09:51:23,739 Created temporary directory: /tmp/pip-unpack-4y1rb2l8
2026-04-01T09:51:23,740 Building wheels for collected packages: flash-attn-4
2026-04-01T09:51:23,744   Created temporary directory: /tmp/pip-wheel-fhfffty5
2026-04-01T09:51:23,745   Destination directory: /tmp/pip-wheel-fhfffty5
2026-04-01T09:51:23,747   Building wheel for flash-attn-4 (pyproject.toml): started
2026-04-01T09:51:23,749   Running command Building wheel for flash-attn-4 (pyproject.toml)
2026-04-01T09:51:24,395   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-01T09:51:24,396   !!

2026-04-01T09:51:24,397           ********************************************************************************
2026-04-01T09:51:24,398           Please use a simple string containing a SPDX expression for `project.license`. You can also use `project.license-files`. (Both options available on setuptools>=77.0.0).

2026-04-01T09:51:24,399           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-01T09:51:24,399           or your builds will no longer be supported.

2026-04-01T09:51:24,400           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:24,401           ********************************************************************************

2026-04-01T09:51:24,402   !!
2026-04-01T09:51:24,402     corresp(dist, value, root_dir)
2026-04-01T09:51:24,460   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-01T09:51:24,461   !!

2026-04-01T09:51:24,462           ********************************************************************************
2026-04-01T09:51:24,462           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-01T09:51:24,463           License :: OSI Approved :: BSD License

2026-04-01T09:51:24,464           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:24,465           ********************************************************************************

2026-04-01T09:51:24,466   !!
2026-04-01T09:51:24,466     dist._finalize_license_expression()
2026-04-01T09:51:24,467   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-01T09:51:24,468   !!

2026-04-01T09:51:24,469           ********************************************************************************
2026-04-01T09:51:24,469           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-01T09:51:24,471           License :: OSI Approved :: BSD License

2026-04-01T09:51:24,472           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-01T09:51:24,472           ********************************************************************************

2026-04-01T09:51:24,474   !!
2026-04-01T09:51:24,474     self._finalize_license_expression()
2026-04-01T09:51:24,475   running bdist_wheel
2026-04-01T09:51:24,493   running build
2026-04-01T09:51:24,494   running build_py
2026-04-01T09:51:24,496   creating build/lib/flash_attn/cute
2026-04-01T09:51:24,499   copying ./flash_fwd.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,502   copying ./flash_bwd.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,506   copying ./__init__.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,508   copying ./flash_fwd_sm120.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,510   copying ./mask.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,513   copying ./testing.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,516   copying ./interface.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,519   copying ./flash_bwd_preprocess.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,522   copying ./flash_bwd_sm90.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,525   copying ./block_info.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,528   copying ./tile_scheduler.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,531   copying ./bench_utils.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,533   copying ./cute_dsl_ptxas.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,536   copying ./pipeline.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,538   copying ./cache_utils.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,541   copying ./paged_kv.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,543   copying ./flash_bwd_sm100.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,549   copying ./flash_fwd_combine.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,551   copying ./fa_logging.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,553   copying ./seqlen_info.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,556   copying ./named_barrier.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,557   copying ./ampere_helpers.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,559   copying ./blackwell_helpers.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,562   copying ./mma_sm100_desc.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,564   copying ./cute_dsl_utils.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,567   copying ./pack_gqa.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,569   copying ./softmax.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,572   copying ./block_sparsity.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,574   copying ./sm90_config_search.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,577   copying ./flash_fwd_sm90.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,580   copying ./benchmark.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,582   copying ./flash_fwd_sm100.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,586   copying ./copy_utils.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,589   copying ./barrier.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,591   copying ./compute_block_sparsity.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,593   copying ./utils.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,596   copying ./flash_bwd_sm120.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,598   copying ./flash_bwd_postprocess.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,600   copying ./block_sparse_utils.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,604   copying ./fast_math.py -> build/lib/flash_attn/cute
2026-04-01T09:51:24,606   running egg_info
2026-04-01T09:51:24,619   writing flash_attn_4.egg-info/PKG-INFO
2026-04-01T09:51:24,623   writing dependency_links to flash_attn_4.egg-info/dependency_links.txt
2026-04-01T09:51:24,625   writing requirements to flash_attn_4.egg-info/requires.txt
2026-04-01T09:51:24,626   writing top-level names to flash_attn_4.egg-info/top_level.txt
2026-04-01T09:51:24,654   /tmp/pip-build-env-ib5ioaz2/overlay/local/lib/python3.11/dist-packages/vcs_versioning/overrides.py:609: UserWarning: No GlobalOverrides context is active. Auto-creating one with SETUPTOOLS_SCM prefix for backwards compatibility. Consider using 'with GlobalOverrides.from_env("YOUR_TOOL"):' explicitly.
2026-04-01T09:51:24,655     return get_active_overrides().subprocess_timeout
2026-04-01T09:51:24,661   listing git files failed - pretending there aren't any
2026-04-01T09:51:24,666   reading manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-01T09:51:24,671   reading manifest template 'MANIFEST.in'
2026-04-01T09:51:24,673   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-01T09:51:24,674   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-01T09:51:24,674   no previously-included directories found matching 'build'
2026-04-01T09:51:24,675   no previously-included directories found matching 'dist'
2026-04-01T09:51:24,676   adding license file 'LICENSE'
2026-04-01T09:51:24,676   adding license file 'AUTHORS'
2026-04-01T09:51:24,680   writing manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-01T09:51:24,697   installing to build/bdist.linux-armv7l/wheel
2026-04-01T09:51:24,698   running install
2026-04-01T09:51:24,722   running install_lib
2026-04-01T09:51:24,729   creating build/bdist.linux-armv7l/wheel
2026-04-01T09:51:24,732   creating build/bdist.linux-armv7l/wheel/flash_attn
2026-04-01T09:51:24,734   creating build/bdist.linux-armv7l/wheel/flash_attn/cute
2026-04-01T09:51:24,735   copying build/lib/flash_attn/cute/flash_fwd.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,739   copying build/lib/flash_attn/cute/flash_bwd.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,742   copying build/lib/flash_attn/cute/__init__.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,744   copying build/lib/flash_attn/cute/flash_fwd_sm120.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,746   copying build/lib/flash_attn/cute/mask.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,749   copying build/lib/flash_attn/cute/testing.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,752   copying build/lib/flash_attn/cute/interface.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,755   copying build/lib/flash_attn/cute/flash_bwd_preprocess.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,758   copying build/lib/flash_attn/cute/flash_bwd_sm90.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,762   copying build/lib/flash_attn/cute/block_info.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,764   copying build/lib/flash_attn/cute/tile_scheduler.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,768   copying build/lib/flash_attn/cute/bench_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,770   copying build/lib/flash_attn/cute/cute_dsl_ptxas.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,772   copying build/lib/flash_attn/cute/pipeline.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,775   copying build/lib/flash_attn/cute/cache_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,777   copying build/lib/flash_attn/cute/paged_kv.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,780   copying build/lib/flash_attn/cute/flash_bwd_sm100.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,786   copying build/lib/flash_attn/cute/flash_fwd_combine.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,789   copying build/lib/flash_attn/cute/fa_logging.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,791   copying build/lib/flash_attn/cute/seqlen_info.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,794   copying build/lib/flash_attn/cute/named_barrier.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,796   copying build/lib/flash_attn/cute/ampere_helpers.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,798   copying build/lib/flash_attn/cute/blackwell_helpers.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,801   copying build/lib/flash_attn/cute/mma_sm100_desc.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,804   copying build/lib/flash_attn/cute/cute_dsl_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,806   copying build/lib/flash_attn/cute/pack_gqa.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,809   copying build/lib/flash_attn/cute/softmax.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,812   copying build/lib/flash_attn/cute/block_sparsity.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,814   copying build/lib/flash_attn/cute/sm90_config_search.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,817   copying build/lib/flash_attn/cute/flash_fwd_sm90.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,821   copying build/lib/flash_attn/cute/benchmark.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,823   copying build/lib/flash_attn/cute/flash_fwd_sm100.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,829   copying build/lib/flash_attn/cute/copy_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,832   copying build/lib/flash_attn/cute/barrier.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,834   copying build/lib/flash_attn/cute/compute_block_sparsity.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,837   copying build/lib/flash_attn/cute/utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,840   copying build/lib/flash_attn/cute/flash_bwd_sm120.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,842   copying build/lib/flash_attn/cute/flash_bwd_postprocess.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,845   copying build/lib/flash_attn/cute/block_sparse_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,848   copying build/lib/flash_attn/cute/fast_math.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-01T09:51:24,850   running install_egg_info
2026-04-01T09:51:24,857   Copying flash_attn_4.egg-info to build/bdist.linux-armv7l/wheel/./flash_attn_4-4.0.0b7-py3.11.egg-info
2026-04-01T09:51:24,866   running install_scripts
2026-04-01T09:51:24,877   creating build/bdist.linux-armv7l/wheel/flash_attn_4-4.0.0b7.dist-info/WHEEL
2026-04-01T09:51:24,880   creating '/tmp/pip-wheel-fhfffty5/.tmp-cz62u58g/flash_attn_4-4.0.0b7-py3-none-any.whl' and adding 'build/bdist.linux-armv7l/wheel' to it
2026-04-01T09:51:24,884   adding 'flash_attn/cute/__init__.py'
2026-04-01T09:51:24,885   adding 'flash_attn/cute/ampere_helpers.py'
2026-04-01T09:51:24,887   adding 'flash_attn/cute/barrier.py'
2026-04-01T09:51:24,888   adding 'flash_attn/cute/bench_utils.py'
2026-04-01T09:51:24,890   adding 'flash_attn/cute/benchmark.py'
2026-04-01T09:51:24,893   adding 'flash_attn/cute/blackwell_helpers.py'
2026-04-01T09:51:24,895   adding 'flash_attn/cute/block_info.py'
2026-04-01T09:51:24,900   adding 'flash_attn/cute/block_sparse_utils.py'
2026-04-01T09:51:24,903   adding 'flash_attn/cute/block_sparsity.py'
2026-04-01T09:51:24,905   adding 'flash_attn/cute/cache_utils.py'
2026-04-01T09:51:24,907   adding 'flash_attn/cute/compute_block_sparsity.py'
2026-04-01T09:51:24,909   adding 'flash_attn/cute/copy_utils.py'
2026-04-01T09:51:24,911   adding 'flash_attn/cute/cute_dsl_ptxas.py'
2026-04-01T09:51:24,912   adding 'flash_attn/cute/cute_dsl_utils.py'
2026-04-01T09:51:24,914   adding 'flash_attn/cute/fa_logging.py'
2026-04-01T09:51:24,915   adding 'flash_attn/cute/fast_math.py'
2026-04-01T09:51:24,921   adding 'flash_attn/cute/flash_bwd.py'
2026-04-01T09:51:24,924   adding 'flash_attn/cute/flash_bwd_postprocess.py'
2026-04-01T09:51:24,927   adding 'flash_attn/cute/flash_bwd_preprocess.py'
2026-04-01T09:51:24,941   adding 'flash_attn/cute/flash_bwd_sm100.py'
2026-04-01T09:51:24,944   adding 'flash_attn/cute/flash_bwd_sm120.py'
2026-04-01T09:51:24,952   adding 'flash_attn/cute/flash_bwd_sm90.py'
2026-04-01T09:51:24,958   adding 'flash_attn/cute/flash_fwd.py'
2026-04-01T09:51:24,962   adding 'flash_attn/cute/flash_fwd_combine.py'
2026-04-01T09:51:24,976   adding 'flash_attn/cute/flash_fwd_sm100.py'
2026-04-01T09:51:24,978   adding 'flash_attn/cute/flash_fwd_sm120.py'
2026-04-01T09:51:24,985   adding 'flash_attn/cute/flash_fwd_sm90.py'
2026-04-01T09:51:24,993   adding 'flash_attn/cute/interface.py'
2026-04-01T09:51:24,997   adding 'flash_attn/cute/mask.py'
2026-04-01T09:51:25,000   adding 'flash_attn/cute/mma_sm100_desc.py'
2026-04-01T09:51:25,001   adding 'flash_attn/cute/named_barrier.py'
2026-04-01T09:51:25,003   adding 'flash_attn/cute/pack_gqa.py'
2026-04-01T09:51:25,005   adding 'flash_attn/cute/paged_kv.py'
2026-04-01T09:51:25,007   adding 'flash_attn/cute/pipeline.py'
2026-04-01T09:51:25,009   adding 'flash_attn/cute/seqlen_info.py'
2026-04-01T09:51:25,011   adding 'flash_attn/cute/sm90_config_search.py'
2026-04-01T09:51:25,014   adding 'flash_attn/cute/softmax.py'
2026-04-01T09:51:25,016   adding 'flash_attn/cute/testing.py'
2026-04-01T09:51:25,020   adding 'flash_attn/cute/tile_scheduler.py'
2026-04-01T09:51:25,024   adding 'flash_attn/cute/utils.py'
2026-04-01T09:51:25,027   adding 'flash_attn_4-4.0.0b7.dist-info/licenses/AUTHORS'
2026-04-01T09:51:25,028   adding 'flash_attn_4-4.0.0b7.dist-info/licenses/LICENSE'
2026-04-01T09:51:25,029   adding 'flash_attn_4-4.0.0b7.dist-info/METADATA'
2026-04-01T09:51:25,030   adding 'flash_attn_4-4.0.0b7.dist-info/WHEEL'
2026-04-01T09:51:25,031   adding 'flash_attn_4-4.0.0b7.dist-info/top_level.txt'
2026-04-01T09:51:25,032   adding 'flash_attn_4-4.0.0b7.dist-info/RECORD'
2026-04-01T09:51:25,037   removing build/bdist.linux-armv7l/wheel
2026-04-01T09:51:25,152   Building wheel for flash-attn-4 (pyproject.toml): finished with status 'done'
2026-04-01T09:51:25,162   Created wheel for flash-attn-4: filename=flash_attn_4-4.0.0b7-py3-none-any.whl size=231415 sha256=e6de99505b5e221c52bb20dee972aab9cae646296378c0b5c304f54be12f1473
2026-04-01T09:51:25,163   Stored in directory: /tmp/pip-ephem-wheel-cache-npyi5r5d/wheels/2d/60/c6/74bdd7b65eee39e537937104e8f16e0dba44d1570643196510
2026-04-01T09:51:25,174 Successfully built flash-attn-4
2026-04-01T09:51:25,185 Removed build tracker: '/tmp/pip-build-tracker-h8rkndud'