2026-04-15T09:43:15,149 Created temporary directory: /tmp/pip-ephem-wheel-cache-aeuo1_eo
2026-04-15T09:43:15,152 Created temporary directory: /tmp/pip-build-tracker-0un4x5ts
2026-04-15T09:43:15,153 Initialized build tracking at /tmp/pip-build-tracker-0un4x5ts
2026-04-15T09:43:15,154 Created build tracker: /tmp/pip-build-tracker-0un4x5ts
2026-04-15T09:43:15,154 Entered build tracker: /tmp/pip-build-tracker-0un4x5ts
2026-04-15T09:43:15,155 Created temporary directory: /tmp/pip-wheel-byk3qsg1
2026-04-15T09:43:15,159 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
2026-04-15T09:43:15,162 Created temporary directory: /tmp/pip-ephem-wheel-cache-tw3bh7y0
2026-04-15T09:43:15,189 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-15T09:43:15,192 2 location(s) to search for versions of flash-attn-4:
2026-04-15T09:43:15,192 * https://pypi.org/simple/flash-attn-4/
2026-04-15T09:43:15,192 * https://www.piwheels.org/simple/flash-attn-4/
2026-04-15T09:43:15,193 Fetching project page and analyzing links: https://pypi.org/simple/flash-attn-4/
2026-04-15T09:43:15,194 Getting page https://pypi.org/simple/flash-attn-4/
2026-04-15T09:43:15,195 Found index url https://pypi.org/simple
2026-04-15T09:43:15,358 Fetched page https://pypi.org/simple/flash-attn-4/ as application/vnd.pypi.simple.v1+json
2026-04-15T09:43:15,361   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)
2026-04-15T09:43:15,362   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
2026-04-15T09:43:15,363   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)
2026-04-15T09:43:15,364   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
2026-04-15T09:43:15,365   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)
2026-04-15T09:43:15,366   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
2026-04-15T09:43:15,367   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)
2026-04-15T09:43:15,368   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
2026-04-15T09:43:15,368   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)
2026-04-15T09:43:15,369   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
2026-04-15T09:43:15,370   Skipping link: No binaries permitted for flash-attn-4: https://files.pythonhosted.org/packages/47/15/a5bfe1e92c868331a16747543f1b937074a6b398caf630c4813336d70418/flash_attn_4-4.0.0b8-py3-none-any.whl (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-15T09:43:15,371   Found link https://files.pythonhosted.org/packages/6a/3d/22e3a3f17a1d0b405c2f08788353c074b173af1ae359985d207826bff0bc/flash_attn_4-4.0.0b8.tar.gz (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10), version: 4.0.0b8
2026-04-15T09:43:15,372   Skipping link: No binaries permitted for flash-attn-4: https://files.pythonhosted.org/packages/cb/12/8fe6b6a416fb43ec28fb004d9016e1dccc4e14cfb125ab6530d6f2a79002/flash_attn_4-4.0.0b9-py3-none-any.whl (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-15T09:43:15,373   Found link https://files.pythonhosted.org/packages/f7/7a/44a1daf4cc182043bc9956b04ccb02998ce788b9ef3ebbceb542c6b594cb/flash_attn_4-4.0.0b9.tar.gz (from https://pypi.org/simple/flash-attn-4/) (requires-python:>=3.10), version: 4.0.0b9
2026-04-15T09:43:15,373 Fetching project page and analyzing links: https://www.piwheels.org/simple/flash-attn-4/
2026-04-15T09:43:15,374 Getting page https://www.piwheels.org/simple/flash-attn-4/
2026-04-15T09:43:15,375 Found index url https://www.piwheels.org/simple
2026-04-15T09:43:15,571 Fetched page https://www.piwheels.org/simple/flash-attn-4/ as text/html
2026-04-15T09:43:15,574   Skipping link: No binaries permitted for flash-attn-4: https://archive1.piwheels.org/simple/flash-attn-4/flash_attn_4-4.0.0b8-py3-none-any.whl#sha256=6b93692686b5f6f0884de589b22c07bf1d79258a801804dc8691cce067ef0af5 (from https://www.piwheels.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-15T09:43:15,575   Skipping link: No binaries permitted for flash-attn-4: https://archive1.piwheels.org/simple/flash-attn-4/flash_attn_4-4.0.0b7-py3-none-any.whl#sha256=e6de99505b5e221c52bb20dee972aab9cae646296378c0b5c304f54be12f1473 (from https://www.piwheels.org/simple/flash-attn-4/) (requires-python:>=3.10)
2026-04-15T09:43:15,576   Skipping link: No binaries permitted for flash-attn-4: https://archive1.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)
2026-04-15T09:43:15,576   Skipping link: No binaries permitted for flash-attn-4: https://archive1.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)
2026-04-15T09:43:15,577   Skipping link: No binaries permitted for flash-attn-4: https://archive1.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)
2026-04-15T09:43:15,577   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)
2026-04-15T09:43:15,578 Skipping link: not a file: https://www.piwheels.org/simple/flash-attn-4/
2026-04-15T09:43:15,579 Skipping link: not a file: https://pypi.org/simple/flash-attn-4/
2026-04-15T09:43:15,600 Given no hashes to check 1 links for project 'flash-attn-4': discarding no candidates
2026-04-15T09:43:15,619 Collecting flash-attn-4==4.0.0b9
2026-04-15T09:43:15,622   Created temporary directory: /tmp/pip-unpack-xlh6srx9
2026-04-15T09:43:15,850   Downloading flash_attn_4-4.0.0b9.tar.gz (241 kB)
2026-04-15T09:43:16,071   Added flash-attn-4==4.0.0b9 from https://files.pythonhosted.org/packages/f7/7a/44a1daf4cc182043bc9956b04ccb02998ce788b9ef3ebbceb542c6b594cb/flash_attn_4-4.0.0b9.tar.gz to build tracker '/tmp/pip-build-tracker-0un4x5ts'
2026-04-15T09:43:16,078   Created temporary directory: /tmp/pip-build-env-gys9idlg
2026-04-15T09:43:16,082   Installing build dependencies: started
2026-04-15T09:43:16,084   Running command pip subprocess to install build dependencies
2026-04-15T09:43:17,248   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-04-15T09:43:17,696   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
2026-04-15T09:43:17,722   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-15T09:43:19,490   Collecting setuptools>=75
2026-04-15T09:43:19,578     Using cached https://www.piwheels.org/simple/setuptools/setuptools-82.0.1-py3-none-any.whl (1.0 MB)
2026-04-15T09:43:19,971   Collecting setuptools-scm>=8
2026-04-15T09:43:19,987     Using cached https://www.piwheels.org/simple/setuptools-scm/setuptools_scm-10.0.5-py3-none-any.whl (21 kB)
2026-04-15T09:43:20,069   Collecting vcs-versioning>=1.0.0.dev0
2026-04-15T09:43:20,087     Using cached https://www.piwheels.org/simple/vcs-versioning/vcs_versioning-1.1.1-py3-none-any.whl (79 kB)
2026-04-15T09:43:20,273   Collecting packaging>=20
2026-04-15T09:43:20,290     Using cached https://www.piwheels.org/simple/packaging/packaging-26.1-py3-none-any.whl (95 kB)
2026-04-15T09:43:23,257   Installing collected packages: setuptools, packaging, vcs-versioning, setuptools-scm
2026-04-15T09:43:26,910     Creating /tmp/pip-build-env-gys9idlg/overlay/local/bin
2026-04-15T09:43:26,913     changing mode of /tmp/pip-build-env-gys9idlg/overlay/local/bin/vcs-versioning to 755
2026-04-15T09:43:27,021     changing mode of /tmp/pip-build-env-gys9idlg/overlay/local/bin/setuptools-scm to 755
2026-04-15T09:43:27,050   Successfully installed packaging-26.1 setuptools-82.0.1 setuptools-scm-10.0.5 vcs-versioning-1.1.1
2026-04-15T09:43:27,336   Installing build dependencies: finished with status 'done'
2026-04-15T09:43:27,342   Getting requirements to build wheel: started
2026-04-15T09:43:27,344   Running command Getting requirements to build wheel
2026-04-15T09:43:28,059   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-15T09:43:28,059   !!

2026-04-15T09:43:28,060           ********************************************************************************
2026-04-15T09:43:28,061           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).

2026-04-15T09:43:28,062           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-15T09:43:28,063           or your builds will no longer be supported.

2026-04-15T09:43:28,064           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:28,065           ********************************************************************************

2026-04-15T09:43:28,066   !!
2026-04-15T09:43:28,067     corresp(dist, value, root_dir)
2026-04-15T09:43:28,136   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-15T09:43:28,137   !!

2026-04-15T09:43:28,138           ********************************************************************************
2026-04-15T09:43:28,138           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-15T09:43:28,139           License :: OSI Approved :: BSD License

2026-04-15T09:43:28,140           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:28,141           ********************************************************************************

2026-04-15T09:43:28,142   !!
2026-04-15T09:43:28,142     dist._finalize_license_expression()
2026-04-15T09:43:28,143   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-15T09:43:28,143   !!

2026-04-15T09:43:28,144           ********************************************************************************
2026-04-15T09:43:28,144           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-15T09:43:28,145           License :: OSI Approved :: BSD License

2026-04-15T09:43:28,146           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:28,147           ********************************************************************************

2026-04-15T09:43:28,148   !!
2026-04-15T09:43:28,148     self._finalize_license_expression()
2026-04-15T09:43:28,151   running egg_info
2026-04-15T09:43:28,159   writing flash_attn_4.egg-info/PKG-INFO
2026-04-15T09:43:28,163   writing dependency_links to flash_attn_4.egg-info/dependency_links.txt
2026-04-15T09:43:28,166   writing requirements to flash_attn_4.egg-info/requires.txt
2026-04-15T09:43:28,167   writing top-level names to flash_attn_4.egg-info/top_level.txt
2026-04-15T09:43:28,203   /tmp/pip-build-env-gys9idlg/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.
2026-04-15T09:43:28,203     return get_active_overrides().subprocess_timeout
2026-04-15T09:43:28,211   listing git files failed - pretending there aren't any
2026-04-15T09:43:28,216   reading manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-15T09:43:28,222   reading manifest template 'MANIFEST.in'
2026-04-15T09:43:28,224   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-15T09:43:28,225   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-15T09:43:28,225   no previously-included directories found matching 'build'
2026-04-15T09:43:28,226   no previously-included directories found matching 'dist'
2026-04-15T09:43:28,227   adding license file 'LICENSE'
2026-04-15T09:43:28,227   adding license file 'AUTHORS'
2026-04-15T09:43:28,232   writing manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-15T09:43:28,336   Getting requirements to build wheel: finished with status 'done'
2026-04-15T09:43:28,340   Created temporary directory: /tmp/pip-modern-metadata-vy05388_
2026-04-15T09:43:28,342   Preparing metadata (pyproject.toml): started
2026-04-15T09:43:28,344   Running command Preparing metadata (pyproject.toml)
2026-04-15T09:43:29,038   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-15T09:43:29,038   !!

2026-04-15T09:43:29,039           ********************************************************************************
2026-04-15T09:43:29,040           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).

2026-04-15T09:43:29,041           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-15T09:43:29,042           or your builds will no longer be supported.

2026-04-15T09:43:29,043           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:29,043           ********************************************************************************

2026-04-15T09:43:29,044   !!
2026-04-15T09:43:29,045     corresp(dist, value, root_dir)
2026-04-15T09:43:29,110   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-15T09:43:29,110   !!

2026-04-15T09:43:29,111           ********************************************************************************
2026-04-15T09:43:29,112           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-15T09:43:29,113           License :: OSI Approved :: BSD License

2026-04-15T09:43:29,114           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:29,114           ********************************************************************************

2026-04-15T09:43:29,115   !!
2026-04-15T09:43:29,115     dist._finalize_license_expression()
2026-04-15T09:43:29,117   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-15T09:43:29,117   !!

2026-04-15T09:43:29,118           ********************************************************************************
2026-04-15T09:43:29,119           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-15T09:43:29,120           License :: OSI Approved :: BSD License

2026-04-15T09:43:29,121           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:29,122           ********************************************************************************

2026-04-15T09:43:29,123   !!
2026-04-15T09:43:29,124     self._finalize_license_expression()
2026-04-15T09:43:29,127   running dist_info
2026-04-15T09:43:29,141   creating /tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info
2026-04-15T09:43:29,142   writing /tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info/PKG-INFO
2026-04-15T09:43:29,147   writing dependency_links to /tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info/dependency_links.txt
2026-04-15T09:43:29,149   writing requirements to /tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info/requires.txt
2026-04-15T09:43:29,150   writing top-level names to /tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info/top_level.txt
2026-04-15T09:43:29,152   writing manifest file '/tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info/SOURCES.txt'
2026-04-15T09:43:29,185   /tmp/pip-build-env-gys9idlg/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.
2026-04-15T09:43:29,185     return get_active_overrides().subprocess_timeout
2026-04-15T09:43:29,192   listing git files failed - pretending there aren't any
2026-04-15T09:43:29,197   reading manifest file '/tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info/SOURCES.txt'
2026-04-15T09:43:29,199   reading manifest template 'MANIFEST.in'
2026-04-15T09:43:29,200   warning: no previously-included files matching '*.egg-info/*' found anywhere in distribution
2026-04-15T09:43:29,201   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-15T09:43:29,202   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-15T09:43:29,202   no previously-included directories found matching 'build'
2026-04-15T09:43:29,203   no previously-included directories found matching 'dist'
2026-04-15T09:43:29,204   adding license file 'LICENSE'
2026-04-15T09:43:29,205   adding license file 'AUTHORS'
2026-04-15T09:43:29,208   writing manifest file '/tmp/pip-modern-metadata-vy05388_/flash_attn_4.egg-info/SOURCES.txt'
2026-04-15T09:43:29,209   creating '/tmp/pip-modern-metadata-vy05388_/flash_attn_4-4.0.0b9.dist-info'
2026-04-15T09:43:29,342   Preparing metadata (pyproject.toml): finished with status 'done'
2026-04-15T09:43:29,346   Source in /tmp/pip-wheel-byk3qsg1/flash-attn-4_db8025d0ab1d4bb194349c55019120ba has version 4.0.0b9, which satisfies requirement flash-attn-4==4.0.0b9 from https://files.pythonhosted.org/packages/f7/7a/44a1daf4cc182043bc9956b04ccb02998ce788b9ef3ebbceb542c6b594cb/flash_attn_4-4.0.0b9.tar.gz
2026-04-15T09:43:29,347   Removed flash-attn-4==4.0.0b9 from https://files.pythonhosted.org/packages/f7/7a/44a1daf4cc182043bc9956b04ccb02998ce788b9ef3ebbceb542c6b594cb/flash_attn_4-4.0.0b9.tar.gz from build tracker '/tmp/pip-build-tracker-0un4x5ts'
2026-04-15T09:43:29,352 Created temporary directory: /tmp/pip-unpack-euvpg2v_
2026-04-15T09:43:29,353 Building wheels for collected packages: flash-attn-4
2026-04-15T09:43:29,357   Created temporary directory: /tmp/pip-wheel-e2ru35tg
2026-04-15T09:43:29,358   Destination directory: /tmp/pip-wheel-e2ru35tg
2026-04-15T09:43:29,360   Building wheel for flash-attn-4 (pyproject.toml): started
2026-04-15T09:43:29,361   Running command Building wheel for flash-attn-4 (pyproject.toml)
2026-04-15T09:43:30,016   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-15T09:43:30,016   !!

2026-04-15T09:43:30,017           ********************************************************************************
2026-04-15T09:43:30,018           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).

2026-04-15T09:43:30,019           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-15T09:43:30,019           or your builds will no longer be supported.

2026-04-15T09:43:30,021           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:30,021           ********************************************************************************

2026-04-15T09:43:30,023   !!
2026-04-15T09:43:30,023     corresp(dist, value, root_dir)
2026-04-15T09:43:30,082   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-15T09:43:30,083   !!

2026-04-15T09:43:30,084           ********************************************************************************
2026-04-15T09:43:30,084           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-15T09:43:30,085           License :: OSI Approved :: BSD License

2026-04-15T09:43:30,087           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:30,087           ********************************************************************************

2026-04-15T09:43:30,088   !!
2026-04-15T09:43:30,089     dist._finalize_license_expression()
2026-04-15T09:43:30,090   /tmp/pip-build-env-gys9idlg/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-15T09:43:30,090   !!

2026-04-15T09:43:30,091           ********************************************************************************
2026-04-15T09:43:30,092           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-15T09:43:30,093           License :: OSI Approved :: BSD License

2026-04-15T09:43:30,095           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-15T09:43:30,095           ********************************************************************************

2026-04-15T09:43:30,096   !!
2026-04-15T09:43:30,097     self._finalize_license_expression()
2026-04-15T09:43:30,097   running bdist_wheel
2026-04-15T09:43:30,117   running build
2026-04-15T09:43:30,117   running build_py
2026-04-15T09:43:30,120   creating build/lib/flash_attn/cute
2026-04-15T09:43:30,123   copying ./fast_math.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,125   copying ./flash_fwd_mla_sm100.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,129   copying ./testing.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,132   copying ./flash_fwd_sm100.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,137   copying ./benchmark.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,139   copying ./blackwell_helpers.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,142   copying ./mask.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,145   copying ./block_sparse_utils.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,148   copying ./block_sparsity.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,151   copying ./pack_gqa.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,153   copying ./block_info.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,156   copying ./flash_fwd_combine.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,158   copying ./copy_utils.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,161   copying ./bench_utils.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,163   copying ./paged_kv.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,166   copying ./flash_bwd_preprocess.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,168   copying ./flash_bwd_sm120.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,170   copying ./flash_fwd.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,173   copying ./flash_bwd_sm90.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,177   copying ./barrier.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,179   copying ./cute_dsl_utils.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,181   copying ./__init__.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,183   copying ./tile_scheduler.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,186   copying ./utils.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,188   copying ./fa_logging.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,190   copying ./mma_sm100_desc.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,193   copying ./seqlen_info.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,195   copying ./softmax.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,198   copying ./flash_bwd.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,202   copying ./sm90_config_search.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,204   copying ./flash_bwd_sm100.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,210   copying ./named_barrier.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,212   copying ./flash_fwd_sm90.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,216   copying ./flash_bwd_postprocess.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,219   copying ./topk_gather_kv.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,221   copying ./interface.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,225   copying ./flash_fwd_sm120.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,227   copying ./compute_block_sparsity.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,230   copying ./cute_dsl_ptxas.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,232   copying ./ampere_helpers.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,234   copying ./pipeline.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,237   copying ./cache_utils.py -> build/lib/flash_attn/cute
2026-04-15T09:43:30,239   running egg_info
2026-04-15T09:43:30,252   writing flash_attn_4.egg-info/PKG-INFO
2026-04-15T09:43:30,256   writing dependency_links to flash_attn_4.egg-info/dependency_links.txt
2026-04-15T09:43:30,259   writing requirements to flash_attn_4.egg-info/requires.txt
2026-04-15T09:43:30,260   writing top-level names to flash_attn_4.egg-info/top_level.txt
2026-04-15T09:43:30,287   /tmp/pip-build-env-gys9idlg/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.
2026-04-15T09:43:30,288     return get_active_overrides().subprocess_timeout
2026-04-15T09:43:30,294   listing git files failed - pretending there aren't any
2026-04-15T09:43:30,299   reading manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-15T09:43:30,305   reading manifest template 'MANIFEST.in'
2026-04-15T09:43:30,307   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-15T09:43:30,307   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-15T09:43:30,308   no previously-included directories found matching 'build'
2026-04-15T09:43:30,309   no previously-included directories found matching 'dist'
2026-04-15T09:43:30,309   adding license file 'LICENSE'
2026-04-15T09:43:30,310   adding license file 'AUTHORS'
2026-04-15T09:43:30,314   writing manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-15T09:43:30,332   installing to build/bdist.linux-armv7l/wheel
2026-04-15T09:43:30,332   running install
2026-04-15T09:43:30,355   running install_lib
2026-04-15T09:43:30,363   creating build/bdist.linux-armv7l/wheel
2026-04-15T09:43:30,365   creating build/bdist.linux-armv7l/wheel/flash_attn
2026-04-15T09:43:30,368   creating build/bdist.linux-armv7l/wheel/flash_attn/cute
2026-04-15T09:43:30,369   copying build/lib/flash_attn/cute/fast_math.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,371   copying build/lib/flash_attn/cute/flash_fwd_mla_sm100.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,376   copying build/lib/flash_attn/cute/testing.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,379   copying build/lib/flash_attn/cute/flash_fwd_sm100.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,383   copying build/lib/flash_attn/cute/benchmark.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,386   copying build/lib/flash_attn/cute/blackwell_helpers.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,389   copying build/lib/flash_attn/cute/mask.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,392   copying build/lib/flash_attn/cute/block_sparse_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,395   copying build/lib/flash_attn/cute/block_sparsity.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,398   copying build/lib/flash_attn/cute/pack_gqa.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,401   copying build/lib/flash_attn/cute/block_info.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,403   copying build/lib/flash_attn/cute/flash_fwd_combine.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,406   copying build/lib/flash_attn/cute/copy_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,408   copying build/lib/flash_attn/cute/bench_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,411   copying build/lib/flash_attn/cute/paged_kv.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,413   copying build/lib/flash_attn/cute/flash_bwd_preprocess.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,416   copying build/lib/flash_attn/cute/flash_bwd_sm120.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,418   copying build/lib/flash_attn/cute/flash_fwd.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,421   copying build/lib/flash_attn/cute/flash_bwd_sm90.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,425   copying build/lib/flash_attn/cute/barrier.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,427   copying build/lib/flash_attn/cute/cute_dsl_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,430   copying build/lib/flash_attn/cute/__init__.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,431   copying build/lib/flash_attn/cute/tile_scheduler.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,434   copying build/lib/flash_attn/cute/utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,437   copying build/lib/flash_attn/cute/fa_logging.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,439   copying build/lib/flash_attn/cute/mma_sm100_desc.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,441   copying build/lib/flash_attn/cute/seqlen_info.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,443   copying build/lib/flash_attn/cute/softmax.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,446   copying build/lib/flash_attn/cute/flash_bwd.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,449   copying build/lib/flash_attn/cute/sm90_config_search.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,451   copying build/lib/flash_attn/cute/flash_bwd_sm100.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,456   copying build/lib/flash_attn/cute/named_barrier.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,458   copying build/lib/flash_attn/cute/flash_fwd_sm90.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,461   copying build/lib/flash_attn/cute/flash_bwd_postprocess.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,464   copying build/lib/flash_attn/cute/topk_gather_kv.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,466   copying build/lib/flash_attn/cute/interface.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,470   copying build/lib/flash_attn/cute/flash_fwd_sm120.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,472   copying build/lib/flash_attn/cute/compute_block_sparsity.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,474   copying build/lib/flash_attn/cute/cute_dsl_ptxas.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,477   copying build/lib/flash_attn/cute/ampere_helpers.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,479   copying build/lib/flash_attn/cute/pipeline.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,481   copying build/lib/flash_attn/cute/cache_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-15T09:43:30,483   running install_egg_info
2026-04-15T09:43:30,490   Copying flash_attn_4.egg-info to build/bdist.linux-armv7l/wheel/./flash_attn_4-4.0.0b9-py3.11.egg-info
2026-04-15T09:43:30,500   running install_scripts
2026-04-15T09:43:30,512   creating build/bdist.linux-armv7l/wheel/flash_attn_4-4.0.0b9.dist-info/WHEEL
2026-04-15T09:43:30,515   creating '/tmp/pip-wheel-e2ru35tg/.tmp-jq9xzh6m/flash_attn_4-4.0.0b9-py3-none-any.whl' and adding 'build/bdist.linux-armv7l/wheel' to it
2026-04-15T09:43:30,518   adding 'flash_attn/cute/__init__.py'
2026-04-15T09:43:30,519   adding 'flash_attn/cute/ampere_helpers.py'
2026-04-15T09:43:30,521   adding 'flash_attn/cute/barrier.py'
2026-04-15T09:43:30,523   adding 'flash_attn/cute/bench_utils.py'
2026-04-15T09:43:30,524   adding 'flash_attn/cute/benchmark.py'
2026-04-15T09:43:30,528   adding 'flash_attn/cute/blackwell_helpers.py'
2026-04-15T09:43:30,529   adding 'flash_attn/cute/block_info.py'
2026-04-15T09:43:30,534   adding 'flash_attn/cute/block_sparse_utils.py'
2026-04-15T09:43:30,537   adding 'flash_attn/cute/block_sparsity.py'
2026-04-15T09:43:30,539   adding 'flash_attn/cute/cache_utils.py'
2026-04-15T09:43:30,541   adding 'flash_attn/cute/compute_block_sparsity.py'
2026-04-15T09:43:30,543   adding 'flash_attn/cute/copy_utils.py'
2026-04-15T09:43:30,544   adding 'flash_attn/cute/cute_dsl_ptxas.py'
2026-04-15T09:43:30,546   adding 'flash_attn/cute/cute_dsl_utils.py'
2026-04-15T09:43:30,547   adding 'flash_attn/cute/fa_logging.py'
2026-04-15T09:43:30,548   adding 'flash_attn/cute/fast_math.py'
2026-04-15T09:43:30,554   adding 'flash_attn/cute/flash_bwd.py'
2026-04-15T09:43:30,558   adding 'flash_attn/cute/flash_bwd_postprocess.py'
2026-04-15T09:43:30,561   adding 'flash_attn/cute/flash_bwd_preprocess.py'
2026-04-15T09:43:30,575   adding 'flash_attn/cute/flash_bwd_sm100.py'
2026-04-15T09:43:30,578   adding 'flash_attn/cute/flash_bwd_sm120.py'
2026-04-15T09:43:30,585   adding 'flash_attn/cute/flash_bwd_sm90.py'
2026-04-15T09:43:30,591   adding 'flash_attn/cute/flash_fwd.py'
2026-04-15T09:43:30,594   adding 'flash_attn/cute/flash_fwd_combine.py'
2026-04-15T09:43:30,607   adding 'flash_attn/cute/flash_fwd_mla_sm100.py'
2026-04-15T09:43:30,621   adding 'flash_attn/cute/flash_fwd_sm100.py'
2026-04-15T09:43:30,624   adding 'flash_attn/cute/flash_fwd_sm120.py'
2026-04-15T09:43:30,630   adding 'flash_attn/cute/flash_fwd_sm90.py'
2026-04-15T09:43:30,638   adding 'flash_attn/cute/interface.py'
2026-04-15T09:43:30,642   adding 'flash_attn/cute/mask.py'
2026-04-15T09:43:30,644   adding 'flash_attn/cute/mma_sm100_desc.py'
2026-04-15T09:43:30,646   adding 'flash_attn/cute/named_barrier.py'
2026-04-15T09:43:30,647   adding 'flash_attn/cute/pack_gqa.py'
2026-04-15T09:43:30,649   adding 'flash_attn/cute/paged_kv.py'
2026-04-15T09:43:30,651   adding 'flash_attn/cute/pipeline.py'
2026-04-15T09:43:30,653   adding 'flash_attn/cute/seqlen_info.py'
2026-04-15T09:43:30,655   adding 'flash_attn/cute/sm90_config_search.py'
2026-04-15T09:43:30,658   adding 'flash_attn/cute/softmax.py'
2026-04-15T09:43:30,661   adding 'flash_attn/cute/testing.py'
2026-04-15T09:43:30,665   adding 'flash_attn/cute/tile_scheduler.py'
2026-04-15T09:43:30,667   adding 'flash_attn/cute/topk_gather_kv.py'
2026-04-15T09:43:30,670   adding 'flash_attn/cute/utils.py'
2026-04-15T09:43:30,673   adding 'flash_attn_4-4.0.0b9.dist-info/licenses/AUTHORS'
2026-04-15T09:43:30,675   adding 'flash_attn_4-4.0.0b9.dist-info/licenses/LICENSE'
2026-04-15T09:43:30,676   adding 'flash_attn_4-4.0.0b9.dist-info/METADATA'
2026-04-15T09:43:30,677   adding 'flash_attn_4-4.0.0b9.dist-info/WHEEL'
2026-04-15T09:43:30,678   adding 'flash_attn_4-4.0.0b9.dist-info/top_level.txt'
2026-04-15T09:43:30,679   adding 'flash_attn_4-4.0.0b9.dist-info/RECORD'
2026-04-15T09:43:30,683   removing build/bdist.linux-armv7l/wheel
2026-04-15T09:43:30,801   Building wheel for flash-attn-4 (pyproject.toml): finished with status 'done'
2026-04-15T09:43:30,812   Created wheel for flash-attn-4: filename=flash_attn_4-4.0.0b9-py3-none-any.whl size=260027 sha256=00899bea1573d8bc221c1acdc6b8050e7eca7cee9efd7f70b3ed3d1210efbbb2
2026-04-15T09:43:30,813   Stored in directory: /tmp/pip-ephem-wheel-cache-tw3bh7y0/wheels/b3/69/4d/f5fe7c26ab888eb8962682611bfcd2831f86c2f4d757178194
2026-04-15T09:43:30,825 Successfully built flash-attn-4
2026-04-15T09:43:30,838 Removed build tracker: '/tmp/pip-build-tracker-0un4x5ts'