2026-04-08T09:15:46,203 Created temporary directory: /tmp/pip-ephem-wheel-cache-1fam6ypk
2026-04-08T09:15:46,205 Created temporary directory: /tmp/pip-build-tracker-jmrkysty
2026-04-08T09:15:46,206 Initialized build tracking at /tmp/pip-build-tracker-jmrkysty
2026-04-08T09:15:46,206 Created build tracker: /tmp/pip-build-tracker-jmrkysty
2026-04-08T09:15:46,207 Entered build tracker: /tmp/pip-build-tracker-jmrkysty
2026-04-08T09:15:46,207 Created temporary directory: /tmp/pip-wheel-1xwmeuqx
2026-04-08T09:15:46,210 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
2026-04-08T09:15:46,213 Created temporary directory: /tmp/pip-ephem-wheel-cache-yx1cqv1w
2026-04-08T09:15:46,236 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-08T09:15:46,240 2 location(s) to search for versions of flash-attn-4:
2026-04-08T09:15:46,240 * https://pypi.org/simple/flash-attn-4/
2026-04-08T09:15:46,240 * https://www.piwheels.org/simple/flash-attn-4/
2026-04-08T09:15:46,241 Fetching project page and analyzing links: https://pypi.org/simple/flash-attn-4/
2026-04-08T09:15:46,241 Getting page https://pypi.org/simple/flash-attn-4/
2026-04-08T09:15:46,243 Found index url https://pypi.org/simple
2026-04-08T09:15:46,394 Fetched page https://pypi.org/simple/flash-attn-4/ as application/vnd.pypi.simple.v1+json
2026-04-08T09:15:46,398   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)
2026-04-08T09:15:46,399   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
2026-04-08T09:15:46,399   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)
2026-04-08T09:15:46,400   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
2026-04-08T09:15:46,401   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)
2026-04-08T09:15:46,402   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
2026-04-08T09:15:46,403   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)
2026-04-08T09:15:46,404   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
2026-04-08T09:15:46,404   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)
2026-04-08T09:15:46,405   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
2026-04-08T09:15:46,406   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)
2026-04-08T09:15:46,407   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
2026-04-08T09:15:46,408 Fetching project page and analyzing links: https://www.piwheels.org/simple/flash-attn-4/
2026-04-08T09:15:46,409 Getting page https://www.piwheels.org/simple/flash-attn-4/
2026-04-08T09:15:46,410 Found index url https://www.piwheels.org/simple
2026-04-08T09:15:46,586 Fetched page https://www.piwheels.org/simple/flash-attn-4/ as text/html
2026-04-08T09:15:46,589   Skipping link: No binaries permitted for flash-attn-4: https://www.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)
2026-04-08T09:15:46,589   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)
2026-04-08T09:15:46,590   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)
2026-04-08T09:15:46,590   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)
2026-04-08T09:15:46,591   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)
2026-04-08T09:15:46,592 Skipping link: not a file: https://www.piwheels.org/simple/flash-attn-4/
2026-04-08T09:15:46,592 Skipping link: not a file: https://pypi.org/simple/flash-attn-4/
2026-04-08T09:15:46,612 Given no hashes to check 1 links for project 'flash-attn-4': discarding no candidates
2026-04-08T09:15:46,630 Collecting flash-attn-4==4.0.0b8
2026-04-08T09:15:46,632   Created temporary directory: /tmp/pip-unpack-wox7wp_t
2026-04-08T09:15:46,781   Downloading flash_attn_4-4.0.0b8.tar.gz (213 kB)
2026-04-08T09:15:47,023   Added flash-attn-4==4.0.0b8 from https://files.pythonhosted.org/packages/6a/3d/22e3a3f17a1d0b405c2f08788353c074b173af1ae359985d207826bff0bc/flash_attn_4-4.0.0b8.tar.gz to build tracker '/tmp/pip-build-tracker-jmrkysty'
2026-04-08T09:15:47,030   Created temporary directory: /tmp/pip-build-env-b73nlcu3
2026-04-08T09:15:47,034   Installing build dependencies: started
2026-04-08T09:15:47,035   Running command pip subprocess to install build dependencies
2026-04-08T09:15:48,198   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-04-08T09:15:48,644   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
2026-04-08T09:15:48,667   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-08T09:15:50,407   Collecting setuptools>=75
2026-04-08T09:15:50,489     Using cached https://www.piwheels.org/simple/setuptools/setuptools-82.0.1-py3-none-any.whl (1.0 MB)
2026-04-08T09:15:50,866   Collecting setuptools-scm>=8
2026-04-08T09:15:50,882     Using cached https://www.piwheels.org/simple/setuptools-scm/setuptools_scm-10.0.5-py3-none-any.whl (21 kB)
2026-04-08T09:15:50,962   Collecting vcs-versioning>=1.0.0.dev0
2026-04-08T09:15:50,977     Using cached https://www.piwheels.org/simple/vcs-versioning/vcs_versioning-1.1.1-py3-none-any.whl (79 kB)
2026-04-08T09:15:51,154   Collecting packaging>=20
2026-04-08T09:15:51,169     Using cached https://www.piwheels.org/simple/packaging/packaging-26.0-py3-none-any.whl (74 kB)
2026-04-08T09:15:54,174   Installing collected packages: setuptools, packaging, vcs-versioning, setuptools-scm
2026-04-08T09:15:58,095     Creating /tmp/pip-build-env-b73nlcu3/overlay/local/bin
2026-04-08T09:15:58,097     changing mode of /tmp/pip-build-env-b73nlcu3/overlay/local/bin/vcs-versioning to 755
2026-04-08T09:15:58,207     changing mode of /tmp/pip-build-env-b73nlcu3/overlay/local/bin/setuptools-scm to 755
2026-04-08T09:15:58,234   Successfully installed packaging-26.0 setuptools-82.0.1 setuptools-scm-10.0.5 vcs-versioning-1.1.1
2026-04-08T09:15:58,518   Installing build dependencies: finished with status 'done'
2026-04-08T09:15:58,525   Getting requirements to build wheel: started
2026-04-08T09:15:58,526   Running command Getting requirements to build wheel
2026-04-08T09:15:59,262   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-08T09:15:59,262   !!

2026-04-08T09:15:59,263           ********************************************************************************
2026-04-08T09:15:59,264           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).

2026-04-08T09:15:59,265           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-08T09:15:59,266           or your builds will no longer be supported.

2026-04-08T09:15:59,267           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:15:59,268           ********************************************************************************

2026-04-08T09:15:59,269   !!
2026-04-08T09:15:59,269     corresp(dist, value, root_dir)
2026-04-08T09:15:59,338   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-08T09:15:59,339   !!

2026-04-08T09:15:59,340           ********************************************************************************
2026-04-08T09:15:59,340           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-08T09:15:59,342           License :: OSI Approved :: BSD License

2026-04-08T09:15:59,343           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:15:59,343           ********************************************************************************

2026-04-08T09:15:59,345   !!
2026-04-08T09:15:59,346     dist._finalize_license_expression()
2026-04-08T09:15:59,346   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-08T09:15:59,347   !!

2026-04-08T09:15:59,348           ********************************************************************************
2026-04-08T09:15:59,348           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-08T09:15:59,349           License :: OSI Approved :: BSD License

2026-04-08T09:15:59,350           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:15:59,351           ********************************************************************************

2026-04-08T09:15:59,352   !!
2026-04-08T09:15:59,352     self._finalize_license_expression()
2026-04-08T09:15:59,354   running egg_info
2026-04-08T09:15:59,362   writing flash_attn_4.egg-info/PKG-INFO
2026-04-08T09:15:59,366   writing dependency_links to flash_attn_4.egg-info/dependency_links.txt
2026-04-08T09:15:59,369   writing requirements to flash_attn_4.egg-info/requires.txt
2026-04-08T09:15:59,370   writing top-level names to flash_attn_4.egg-info/top_level.txt
2026-04-08T09:15:59,406   /tmp/pip-build-env-b73nlcu3/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.
2026-04-08T09:15:59,406     return get_active_overrides().subprocess_timeout
2026-04-08T09:15:59,414   listing git files failed - pretending there aren't any
2026-04-08T09:15:59,419   reading manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-08T09:15:59,424   reading manifest template 'MANIFEST.in'
2026-04-08T09:15:59,426   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-08T09:15:59,427   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-08T09:15:59,428   no previously-included directories found matching 'build'
2026-04-08T09:15:59,428   no previously-included directories found matching 'dist'
2026-04-08T09:15:59,429   adding license file 'LICENSE'
2026-04-08T09:15:59,430   adding license file 'AUTHORS'
2026-04-08T09:15:59,434   writing manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-08T09:15:59,537   Getting requirements to build wheel: finished with status 'done'
2026-04-08T09:15:59,540   Created temporary directory: /tmp/pip-modern-metadata-gok4b1w7
2026-04-08T09:15:59,542   Preparing metadata (pyproject.toml): started
2026-04-08T09:15:59,544   Running command Preparing metadata (pyproject.toml)
2026-04-08T09:16:00,206   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-08T09:16:00,206   !!

2026-04-08T09:16:00,207           ********************************************************************************
2026-04-08T09:16:00,208           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).

2026-04-08T09:16:00,209           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-08T09:16:00,209           or your builds will no longer be supported.

2026-04-08T09:16:00,210           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:16:00,211           ********************************************************************************

2026-04-08T09:16:00,212   !!
2026-04-08T09:16:00,213     corresp(dist, value, root_dir)
2026-04-08T09:16:00,275   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-08T09:16:00,276   !!

2026-04-08T09:16:00,277           ********************************************************************************
2026-04-08T09:16:00,278           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-08T09:16:00,279           License :: OSI Approved :: BSD License

2026-04-08T09:16:00,280           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:16:00,281           ********************************************************************************

2026-04-08T09:16:00,281   !!
2026-04-08T09:16:00,282     dist._finalize_license_expression()
2026-04-08T09:16:00,282   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-08T09:16:00,283   !!

2026-04-08T09:16:00,284           ********************************************************************************
2026-04-08T09:16:00,284           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-08T09:16:00,285           License :: OSI Approved :: BSD License

2026-04-08T09:16:00,286           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:16:00,287           ********************************************************************************

2026-04-08T09:16:00,288   !!
2026-04-08T09:16:00,288     self._finalize_license_expression()
2026-04-08T09:16:00,289   running dist_info
2026-04-08T09:16:00,303   creating /tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info
2026-04-08T09:16:00,304   writing /tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info/PKG-INFO
2026-04-08T09:16:00,308   writing dependency_links to /tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info/dependency_links.txt
2026-04-08T09:16:00,311   writing requirements to /tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info/requires.txt
2026-04-08T09:16:00,312   writing top-level names to /tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info/top_level.txt
2026-04-08T09:16:00,313   writing manifest file '/tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info/SOURCES.txt'
2026-04-08T09:16:00,345   /tmp/pip-build-env-b73nlcu3/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.
2026-04-08T09:16:00,346     return get_active_overrides().subprocess_timeout
2026-04-08T09:16:00,352   listing git files failed - pretending there aren't any
2026-04-08T09:16:00,356   reading manifest file '/tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info/SOURCES.txt'
2026-04-08T09:16:00,358   reading manifest template 'MANIFEST.in'
2026-04-08T09:16:00,359   warning: no previously-included files matching '*.egg-info/*' found anywhere in distribution
2026-04-08T09:16:00,360   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-08T09:16:00,361   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-08T09:16:00,362   no previously-included directories found matching 'build'
2026-04-08T09:16:00,362   no previously-included directories found matching 'dist'
2026-04-08T09:16:00,363   adding license file 'LICENSE'
2026-04-08T09:16:00,363   adding license file 'AUTHORS'
2026-04-08T09:16:00,366   writing manifest file '/tmp/pip-modern-metadata-gok4b1w7/flash_attn_4.egg-info/SOURCES.txt'
2026-04-08T09:16:00,367   creating '/tmp/pip-modern-metadata-gok4b1w7/flash_attn_4-4.0.0b8.dist-info'
2026-04-08T09:16:00,498   Preparing metadata (pyproject.toml): finished with status 'done'
2026-04-08T09:16:00,503   Source in /tmp/pip-wheel-1xwmeuqx/flash-attn-4_936f2978bd444cb9b3d1b00fc0a2263a has version 4.0.0b8, which satisfies requirement flash-attn-4==4.0.0b8 from https://files.pythonhosted.org/packages/6a/3d/22e3a3f17a1d0b405c2f08788353c074b173af1ae359985d207826bff0bc/flash_attn_4-4.0.0b8.tar.gz
2026-04-08T09:16:00,504   Removed flash-attn-4==4.0.0b8 from https://files.pythonhosted.org/packages/6a/3d/22e3a3f17a1d0b405c2f08788353c074b173af1ae359985d207826bff0bc/flash_attn_4-4.0.0b8.tar.gz from build tracker '/tmp/pip-build-tracker-jmrkysty'
2026-04-08T09:16:00,509 Created temporary directory: /tmp/pip-unpack-nb6ezpnp
2026-04-08T09:16:00,510 Building wheels for collected packages: flash-attn-4
2026-04-08T09:16:00,515   Created temporary directory: /tmp/pip-wheel-bksrcm5u
2026-04-08T09:16:00,516   Destination directory: /tmp/pip-wheel-bksrcm5u
2026-04-08T09:16:00,518   Building wheel for flash-attn-4 (pyproject.toml): started
2026-04-08T09:16:00,520   Running command Building wheel for flash-attn-4 (pyproject.toml)
2026-04-08T09:16:01,381   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
2026-04-08T09:16:01,381   !!

2026-04-08T09:16:01,382           ********************************************************************************
2026-04-08T09:16:01,383           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).

2026-04-08T09:16:01,384           By 2027-Feb-18, you need to update your project and remove deprecated calls
2026-04-08T09:16:01,384           or your builds will no longer be supported.

2026-04-08T09:16:01,385           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:16:01,386           ********************************************************************************

2026-04-08T09:16:01,387   !!
2026-04-08T09:16:01,387     corresp(dist, value, root_dir)
2026-04-08T09:16:01,446   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-08T09:16:01,447   !!

2026-04-08T09:16:01,448           ********************************************************************************
2026-04-08T09:16:01,448           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-08T09:16:01,449           License :: OSI Approved :: BSD License

2026-04-08T09:16:01,451           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:16:01,451           ********************************************************************************

2026-04-08T09:16:01,452   !!
2026-04-08T09:16:01,453     dist._finalize_license_expression()
2026-04-08T09:16:01,453   /tmp/pip-build-env-b73nlcu3/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated.
2026-04-08T09:16:01,454   !!

2026-04-08T09:16:01,455           ********************************************************************************
2026-04-08T09:16:01,456           Please consider removing the following classifiers in favor of a SPDX license expression:

2026-04-08T09:16:01,457           License :: OSI Approved :: BSD License

2026-04-08T09:16:01,458           See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
2026-04-08T09:16:01,459           ********************************************************************************

2026-04-08T09:16:01,460   !!
2026-04-08T09:16:01,460     self._finalize_license_expression()
2026-04-08T09:16:01,461   running bdist_wheel
2026-04-08T09:16:01,479   running build
2026-04-08T09:16:01,479   running build_py
2026-04-08T09:16:01,482   creating build/lib/flash_attn/cute
2026-04-08T09:16:01,484   copying ./flash_fwd_combine.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,488   copying ./tile_scheduler.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,491   copying ./flash_bwd_preprocess.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,494   copying ./testing.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,496   copying ./compute_block_sparsity.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,499   copying ./flash_bwd_postprocess.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,502   copying ./flash_fwd_sm120.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,504   copying ./paged_kv.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,506   copying ./flash_bwd_sm100.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,512   copying ./benchmark.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,515   copying ./flash_fwd.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,518   copying ./block_sparse_utils.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,521   copying ./cache_utils.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,523   copying ./cute_dsl_ptxas.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,525   copying ./mma_sm100_desc.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,528   copying ./flash_bwd.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,531   copying ./softmax.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,534   copying ./flash_fwd_sm100.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,539   copying ./flash_fwd_sm90.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,543   copying ./__init__.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,545   copying ./named_barrier.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,547   copying ./bench_utils.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,549   copying ./block_sparsity.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,552   copying ./block_info.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,554   copying ./seqlen_info.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,556   copying ./interface.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,560   copying ./flash_bwd_sm120.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,562   copying ./fast_math.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,563   copying ./barrier.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,565   copying ./flash_bwd_sm90.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,569   copying ./fa_logging.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,571   copying ./blackwell_helpers.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,574   copying ./mask.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,577   copying ./sm90_config_search.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,579   copying ./ampere_helpers.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,581   copying ./pipeline.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,584   copying ./cute_dsl_utils.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,586   copying ./utils.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,589   copying ./pack_gqa.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,591   copying ./copy_utils.py -> build/lib/flash_attn/cute
2026-04-08T09:16:01,593   running egg_info
2026-04-08T09:16:01,607   writing flash_attn_4.egg-info/PKG-INFO
2026-04-08T09:16:01,611   writing dependency_links to flash_attn_4.egg-info/dependency_links.txt
2026-04-08T09:16:01,613   writing requirements to flash_attn_4.egg-info/requires.txt
2026-04-08T09:16:01,614   writing top-level names to flash_attn_4.egg-info/top_level.txt
2026-04-08T09:16:01,641   /tmp/pip-build-env-b73nlcu3/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.
2026-04-08T09:16:01,642     return get_active_overrides().subprocess_timeout
2026-04-08T09:16:01,648   listing git files failed - pretending there aren't any
2026-04-08T09:16:01,652   reading manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-08T09:16:01,658   reading manifest template 'MANIFEST.in'
2026-04-08T09:16:01,660   no previously-included directories found matching 'flash_attn_4.egg-info'
2026-04-08T09:16:01,661   no previously-included directories found matching 'flash_attn.egg-info'
2026-04-08T09:16:01,661   no previously-included directories found matching 'build'
2026-04-08T09:16:01,662   no previously-included directories found matching 'dist'
2026-04-08T09:16:01,663   adding license file 'LICENSE'
2026-04-08T09:16:01,663   adding license file 'AUTHORS'
2026-04-08T09:16:01,668   writing manifest file 'flash_attn_4.egg-info/SOURCES.txt'
2026-04-08T09:16:01,684   installing to build/bdist.linux-armv7l/wheel
2026-04-08T09:16:01,685   running install
2026-04-08T09:16:01,709   running install_lib
2026-04-08T09:16:01,716   creating build/bdist.linux-armv7l/wheel
2026-04-08T09:16:01,718   creating build/bdist.linux-armv7l/wheel/flash_attn
2026-04-08T09:16:01,720   creating build/bdist.linux-armv7l/wheel/flash_attn/cute
2026-04-08T09:16:01,721   copying build/lib/flash_attn/cute/flash_fwd_combine.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,724   copying build/lib/flash_attn/cute/tile_scheduler.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,727   copying build/lib/flash_attn/cute/flash_bwd_preprocess.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,729   copying build/lib/flash_attn/cute/testing.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,732   copying build/lib/flash_attn/cute/compute_block_sparsity.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,734   copying build/lib/flash_attn/cute/flash_bwd_postprocess.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,737   copying build/lib/flash_attn/cute/flash_fwd_sm120.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,739   copying build/lib/flash_attn/cute/paged_kv.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,742   copying build/lib/flash_attn/cute/flash_bwd_sm100.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,748   copying build/lib/flash_attn/cute/benchmark.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,750   copying build/lib/flash_attn/cute/flash_fwd.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,753   copying build/lib/flash_attn/cute/block_sparse_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,756   copying build/lib/flash_attn/cute/cache_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,759   copying build/lib/flash_attn/cute/cute_dsl_ptxas.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,761   copying build/lib/flash_attn/cute/mma_sm100_desc.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,763   copying build/lib/flash_attn/cute/flash_bwd.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,767   copying build/lib/flash_attn/cute/softmax.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,770   copying build/lib/flash_attn/cute/flash_fwd_sm100.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,775   copying build/lib/flash_attn/cute/flash_fwd_sm90.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,779   copying build/lib/flash_attn/cute/__init__.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,780   copying build/lib/flash_attn/cute/named_barrier.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,782   copying build/lib/flash_attn/cute/bench_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,785   copying build/lib/flash_attn/cute/block_sparsity.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,787   copying build/lib/flash_attn/cute/block_info.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,790   copying build/lib/flash_attn/cute/seqlen_info.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,792   copying build/lib/flash_attn/cute/interface.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,795   copying build/lib/flash_attn/cute/flash_bwd_sm120.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,797   copying build/lib/flash_attn/cute/fast_math.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,799   copying build/lib/flash_attn/cute/barrier.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,801   copying build/lib/flash_attn/cute/flash_bwd_sm90.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,804   copying build/lib/flash_attn/cute/fa_logging.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,806   copying build/lib/flash_attn/cute/blackwell_helpers.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,809   copying build/lib/flash_attn/cute/mask.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,812   copying build/lib/flash_attn/cute/sm90_config_search.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,814   copying build/lib/flash_attn/cute/ampere_helpers.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,816   copying build/lib/flash_attn/cute/pipeline.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,818   copying build/lib/flash_attn/cute/cute_dsl_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,820   copying build/lib/flash_attn/cute/utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,823   copying build/lib/flash_attn/cute/pack_gqa.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,825   copying build/lib/flash_attn/cute/copy_utils.py -> build/bdist.linux-armv7l/wheel/./flash_attn/cute
2026-04-08T09:16:01,828   running install_egg_info
2026-04-08T09:16:01,834   Copying flash_attn_4.egg-info to build/bdist.linux-armv7l/wheel/./flash_attn_4-4.0.0b8-py3.11.egg-info
2026-04-08T09:16:01,844   running install_scripts
2026-04-08T09:16:01,855   creating build/bdist.linux-armv7l/wheel/flash_attn_4-4.0.0b8.dist-info/WHEEL
2026-04-08T09:16:01,858   creating '/tmp/pip-wheel-bksrcm5u/.tmp-5zzj7t5w/flash_attn_4-4.0.0b8-py3-none-any.whl' and adding 'build/bdist.linux-armv7l/wheel' to it
2026-04-08T09:16:01,861   adding 'flash_attn/cute/__init__.py'
2026-04-08T09:16:01,862   adding 'flash_attn/cute/ampere_helpers.py'
2026-04-08T09:16:01,864   adding 'flash_attn/cute/barrier.py'
2026-04-08T09:16:01,865   adding 'flash_attn/cute/bench_utils.py'
2026-04-08T09:16:01,867   adding 'flash_attn/cute/benchmark.py'
2026-04-08T09:16:01,871   adding 'flash_attn/cute/blackwell_helpers.py'
2026-04-08T09:16:01,873   adding 'flash_attn/cute/block_info.py'
2026-04-08T09:16:01,878   adding 'flash_attn/cute/block_sparse_utils.py'
2026-04-08T09:16:01,880   adding 'flash_attn/cute/block_sparsity.py'
2026-04-08T09:16:01,882   adding 'flash_attn/cute/cache_utils.py'
2026-04-08T09:16:01,884   adding 'flash_attn/cute/compute_block_sparsity.py'
2026-04-08T09:16:01,886   adding 'flash_attn/cute/copy_utils.py'
2026-04-08T09:16:01,888   adding 'flash_attn/cute/cute_dsl_ptxas.py'
2026-04-08T09:16:01,889   adding 'flash_attn/cute/cute_dsl_utils.py'
2026-04-08T09:16:01,891   adding 'flash_attn/cute/fa_logging.py'
2026-04-08T09:16:01,892   adding 'flash_attn/cute/fast_math.py'
2026-04-08T09:16:01,898   adding 'flash_attn/cute/flash_bwd.py'
2026-04-08T09:16:01,902   adding 'flash_attn/cute/flash_bwd_postprocess.py'
2026-04-08T09:16:01,904   adding 'flash_attn/cute/flash_bwd_preprocess.py'
2026-04-08T09:16:01,918   adding 'flash_attn/cute/flash_bwd_sm100.py'
2026-04-08T09:16:01,921   adding 'flash_attn/cute/flash_bwd_sm120.py'
2026-04-08T09:16:01,929   adding 'flash_attn/cute/flash_bwd_sm90.py'
2026-04-08T09:16:01,934   adding 'flash_attn/cute/flash_fwd.py'
2026-04-08T09:16:01,938   adding 'flash_attn/cute/flash_fwd_combine.py'
2026-04-08T09:16:01,951   adding 'flash_attn/cute/flash_fwd_sm100.py'
2026-04-08T09:16:01,954   adding 'flash_attn/cute/flash_fwd_sm120.py'
2026-04-08T09:16:01,960   adding 'flash_attn/cute/flash_fwd_sm90.py'
2026-04-08T09:16:01,968   adding 'flash_attn/cute/interface.py'
2026-04-08T09:16:01,971   adding 'flash_attn/cute/mask.py'
2026-04-08T09:16:01,974   adding 'flash_attn/cute/mma_sm100_desc.py'
2026-04-08T09:16:01,975   adding 'flash_attn/cute/named_barrier.py'
2026-04-08T09:16:01,977   adding 'flash_attn/cute/pack_gqa.py'
2026-04-08T09:16:01,978   adding 'flash_attn/cute/paged_kv.py'
2026-04-08T09:16:01,980   adding 'flash_attn/cute/pipeline.py'
2026-04-08T09:16:01,982   adding 'flash_attn/cute/seqlen_info.py'
2026-04-08T09:16:01,984   adding 'flash_attn/cute/sm90_config_search.py'
2026-04-08T09:16:01,986   adding 'flash_attn/cute/softmax.py'
2026-04-08T09:16:01,989   adding 'flash_attn/cute/testing.py'
2026-04-08T09:16:01,993   adding 'flash_attn/cute/tile_scheduler.py'
2026-04-08T09:16:01,996   adding 'flash_attn/cute/utils.py'
2026-04-08T09:16:01,999   adding 'flash_attn_4-4.0.0b8.dist-info/licenses/AUTHORS'
2026-04-08T09:16:02,000   adding 'flash_attn_4-4.0.0b8.dist-info/licenses/LICENSE'
2026-04-08T09:16:02,001   adding 'flash_attn_4-4.0.0b8.dist-info/METADATA'
2026-04-08T09:16:02,002   adding 'flash_attn_4-4.0.0b8.dist-info/WHEEL'
2026-04-08T09:16:02,003   adding 'flash_attn_4-4.0.0b8.dist-info/top_level.txt'
2026-04-08T09:16:02,004   adding 'flash_attn_4-4.0.0b8.dist-info/RECORD'
2026-04-08T09:16:02,008   removing build/bdist.linux-armv7l/wheel
2026-04-08T09:16:02,128   Building wheel for flash-attn-4 (pyproject.toml): finished with status 'done'
2026-04-08T09:16:02,139   Created wheel for flash-attn-4: filename=flash_attn_4-4.0.0b8-py3-none-any.whl size=231322 sha256=6b93692686b5f6f0884de589b22c07bf1d79258a801804dc8691cce067ef0af5
2026-04-08T09:16:02,140   Stored in directory: /tmp/pip-ephem-wheel-cache-yx1cqv1w/wheels/25/62/ac/56bc8c568262fa2a61be24a11b6f3654075f234b07583c7e94
2026-04-08T09:16:02,151 Successfully built flash-attn-4
2026-04-08T09:16:02,163 Removed build tracker: '/tmp/pip-build-tracker-jmrkysty'