2026-04-16T18:19:55,973 Created temporary directory: /tmp/pip-ephem-wheel-cache-77r76g1q
2026-04-16T18:19:55,975 Created temporary directory: /tmp/pip-build-tracker-h12rn8tc
2026-04-16T18:19:55,975 Initialized build tracking at /tmp/pip-build-tracker-h12rn8tc
2026-04-16T18:19:55,976 Created build tracker: /tmp/pip-build-tracker-h12rn8tc
2026-04-16T18:19:55,976 Entered build tracker: /tmp/pip-build-tracker-h12rn8tc
2026-04-16T18:19:55,977 Created temporary directory: /tmp/pip-wheel-ti9lp6z7
2026-04-16T18:19:55,980 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
2026-04-16T18:19:55,983 Created temporary directory: /tmp/pip-ephem-wheel-cache-rzj3il6y
2026-04-16T18:19:56,004 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-16T18:19:56,008 2 location(s) to search for versions of langchain-classic:
2026-04-16T18:19:56,008 * https://pypi.org/simple/langchain-classic/
2026-04-16T18:19:56,008 * https://www.piwheels.org/simple/langchain-classic/
2026-04-16T18:19:56,009 Fetching project page and analyzing links: https://pypi.org/simple/langchain-classic/
2026-04-16T18:19:56,009 Getting page https://pypi.org/simple/langchain-classic/
2026-04-16T18:19:56,011 Found index url https://pypi.org/simple
2026-04-16T18:19:56,174 Fetched page https://pypi.org/simple/langchain-classic/ as application/vnd.pypi.simple.v1+json
2026-04-16T18:19:56,178   Skipping link: No binaries permitted for langchain-classic: https://files.pythonhosted.org/packages/9d/a5/26216685957924b65eea32798a0cb8468d416835a8b6090b002308ca0d5d/langchain_classic-1.0.0a1-py3-none-any.whl (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,179   Found link https://files.pythonhosted.org/packages/2e/bb/aba0b81b30f8eae630f5c8643d1a06fe7e9f06eef8e1a70571faba0b7da5/langchain_classic-1.0.0a1.tar.gz (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0), version: 1.0.0a1
2026-04-16T18:19:56,180   Skipping link: No binaries permitted for langchain-classic: https://files.pythonhosted.org/packages/74/74/246f809a3741c21982f985ca0113ec92d3c84896308561cc4414823f6951/langchain_classic-1.0.0-py3-none-any.whl (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,181   Found link https://files.pythonhosted.org/packages/d9/b1/a66babeccb2c05ed89690a534296688c0349bee7a71641e91ecc2afd72fd/langchain_classic-1.0.0.tar.gz (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0), version: 1.0.0
2026-04-16T18:19:56,182   Skipping link: No binaries permitted for langchain-classic: https://files.pythonhosted.org/packages/83/0f/eab87f017d7fe28e8c11fff614f4cdbfae32baadb77d0f79e9f922af1df2/langchain_classic-1.0.1-py3-none-any.whl (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,183   Found link https://files.pythonhosted.org/packages/7c/4b/bd03518418ece4c13192a504449b58c28afee915dc4a6f4b02622458cb1b/langchain_classic-1.0.1.tar.gz (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0), version: 1.0.1
2026-04-16T18:19:56,184   Skipping link: No binaries permitted for langchain-classic: https://files.pythonhosted.org/packages/d3/4b/20f040567a0e97b28649b7190967190f3df5188984c80873bcbe69585168/langchain_classic-1.0.2-py3-none-any.whl (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,185   Found link https://files.pythonhosted.org/packages/21/6f/59da67274d8ceea16d0610142af33e348a24750894f08c0688de01504ff2/langchain_classic-1.0.2.tar.gz (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0), version: 1.0.2
2026-04-16T18:19:56,185   Skipping link: No binaries permitted for langchain-classic: https://files.pythonhosted.org/packages/ab/e6/cfdeedec0537ffbf5041773590d25beb7f2aa467cc6630e788c9c7c72c3e/langchain_classic-1.0.3-py3-none-any.whl (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,187   Found link https://files.pythonhosted.org/packages/32/04/b01c09e37414bab9f209efa311502841a3c0de5bc6c35e729c8d8a9893c9/langchain_classic-1.0.3.tar.gz (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0), version: 1.0.3
2026-04-16T18:19:56,188   Skipping link: No binaries permitted for langchain-classic: https://files.pythonhosted.org/packages/c8/67/7aae9c2cbee4174c8e794269a5ddbba8f36f3816711d6948f258a57e450a/langchain_classic-1.0.4-py3-none-any.whl (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,188   Found link https://files.pythonhosted.org/packages/1a/13/5d473f69aa29ea297adbba244b1b0b3989c890cb5f9a74d50d399ec66ae7/langchain_classic-1.0.4.tar.gz (from https://pypi.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0), version: 1.0.4
2026-04-16T18:19:56,189 Fetching project page and analyzing links: https://www.piwheels.org/simple/langchain-classic/
2026-04-16T18:19:56,190 Getting page https://www.piwheels.org/simple/langchain-classic/
2026-04-16T18:19:56,191 Found index url https://www.piwheels.org/simple
2026-04-16T18:19:56,414 Fetched page https://www.piwheels.org/simple/langchain-classic/ as text/html
2026-04-16T18:19:56,417   Skipping link: No binaries permitted for langchain-classic: https://www.piwheels.org/simple/langchain-classic/langchain_classic-1.0.3-py3-none-any.whl#sha256=26df1ec9806b1fbff19d9085a747ea7d8d82d7e3fb1d25132859979de627ef79 (from https://www.piwheels.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,417   Skipping link: No binaries permitted for langchain-classic: https://www.piwheels.org/simple/langchain-classic/langchain_classic-1.0.2-py3-none-any.whl#sha256=ae3480f488d2cf778f75e59ce0316b336fe2bcd4f8828aeb1aef1e2f26987d7f (from https://www.piwheels.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,418   Skipping link: No binaries permitted for langchain-classic: https://www.piwheels.org/simple/langchain-classic/langchain_classic-1.0.1-py3-none-any.whl#sha256=131d83a02bb80044c68fedc1ab4ae885d5b8f8c2c742d8ab9e7534ad9cda8e80 (from https://www.piwheels.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,419   Skipping link: No binaries permitted for langchain-classic: https://www.piwheels.org/simple/langchain-classic/langchain_classic-1.0.0-py3-none-any.whl#sha256=97f71f150c10123f5511c08873f030e35ede52311d729a7688c721b4e1e01f33 (from https://www.piwheels.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,419   Skipping link: No binaries permitted for langchain-classic: https://archive1.piwheels.org/simple/langchain-classic/langchain_classic-1.0.0a1-py3-none-any.whl#sha256=5b1b336ea22b75904b8448df3b7666efc7356127b05c7700a0ea94225a839a44 (from https://www.piwheels.org/simple/langchain-classic/) (requires-python:<4.0.0,>=3.10.0)
2026-04-16T18:19:56,420 Skipping link: not a file: https://www.piwheels.org/simple/langchain-classic/
2026-04-16T18:19:56,420 Skipping link: not a file: https://pypi.org/simple/langchain-classic/
2026-04-16T18:19:56,442 Given no hashes to check 1 links for project 'langchain-classic': discarding no candidates
2026-04-16T18:19:56,461 Collecting langchain-classic==1.0.4
2026-04-16T18:19:56,464   Created temporary directory: /tmp/pip-unpack-guoj8o0w
2026-04-16T18:19:56,712   Downloading langchain_classic-1.0.4.tar.gz (10.5 MB)
2026-04-16T18:20:00,672   Added langchain-classic==1.0.4 from https://files.pythonhosted.org/packages/1a/13/5d473f69aa29ea297adbba244b1b0b3989c890cb5f9a74d50d399ec66ae7/langchain_classic-1.0.4.tar.gz to build tracker '/tmp/pip-build-tracker-h12rn8tc'
2026-04-16T18:20:00,681   Created temporary directory: /tmp/pip-build-env-khsn2eea
2026-04-16T18:20:00,685   Installing build dependencies: started
2026-04-16T18:20:00,686   Running command pip subprocess to install build dependencies
2026-04-16T18:20:01,841   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-04-16T18:20:02,278   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
2026-04-16T18:20:02,301   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-04-16T18:20:02,836   Collecting hatchling
2026-04-16T18:20:02,852     Using cached https://www.piwheels.org/simple/hatchling/hatchling-1.29.0-py3-none-any.whl (76 kB)
2026-04-16T18:20:03,045   Collecting packaging>=24.2
2026-04-16T18:20:03,063     Using cached https://www.piwheels.org/simple/packaging/packaging-26.1-py3-none-any.whl (95 kB)
2026-04-16T18:20:03,185   Collecting pathspec>=0.10.1
2026-04-16T18:20:03,202     Using cached https://www.piwheels.org/simple/pathspec/pathspec-1.0.4-py3-none-any.whl (55 kB)
2026-04-16T18:20:03,323   Collecting pluggy>=1.0.0
2026-04-16T18:20:03,337     Using cached https://www.piwheels.org/simple/pluggy/pluggy-1.6.0-py3-none-any.whl (20 kB)
2026-04-16T18:20:03,585   Collecting trove-classifiers
2026-04-16T18:20:03,599     Using cached https://www.piwheels.org/simple/trove-classifiers/trove_classifiers-2026.1.14.14-py3-none-any.whl (14 kB)
2026-04-16T18:20:06,292   Installing collected packages: trove-classifiers, pluggy, pathspec, packaging, hatchling
2026-04-16T18:20:06,326     Creating /tmp/pip-build-env-khsn2eea/overlay/local/bin
2026-04-16T18:20:06,328     changing mode of /tmp/pip-build-env-khsn2eea/overlay/local/bin/trove-classifiers to 755
2026-04-16T18:20:07,285     changing mode of /tmp/pip-build-env-khsn2eea/overlay/local/bin/hatchling to 755
2026-04-16T18:20:07,320   Successfully installed hatchling-1.29.0 packaging-26.1 pathspec-1.0.4 pluggy-1.6.0 trove-classifiers-2026.1.14.14
2026-04-16T18:20:07,568   Installing build dependencies: finished with status 'done'
2026-04-16T18:20:07,574   Getting requirements to build wheel: started
2026-04-16T18:20:07,575   Running command Getting requirements to build wheel
2026-04-16T18:20:07,920   Getting requirements to build wheel: finished with status 'done'
2026-04-16T18:20:07,923   Created temporary directory: /tmp/pip-modern-metadata-ormrtdla
2026-04-16T18:20:07,925   Preparing metadata (pyproject.toml): started
2026-04-16T18:20:07,926   Running command Preparing metadata (pyproject.toml)
2026-04-16T18:20:09,987   Preparing metadata (pyproject.toml): finished with status 'done'
2026-04-16T18:20:09,991   Source in /tmp/pip-wheel-ti9lp6z7/langchain-classic_b846305b16d54f108c1efe635cf78e25 has version 1.0.4, which satisfies requirement langchain-classic==1.0.4 from https://files.pythonhosted.org/packages/1a/13/5d473f69aa29ea297adbba244b1b0b3989c890cb5f9a74d50d399ec66ae7/langchain_classic-1.0.4.tar.gz
2026-04-16T18:20:09,992   Removed langchain-classic==1.0.4 from https://files.pythonhosted.org/packages/1a/13/5d473f69aa29ea297adbba244b1b0b3989c890cb5f9a74d50d399ec66ae7/langchain_classic-1.0.4.tar.gz from build tracker '/tmp/pip-build-tracker-h12rn8tc'
2026-04-16T18:20:09,999 Created temporary directory: /tmp/pip-unpack-_m1u5dws
2026-04-16T18:20:09,999 Building wheels for collected packages: langchain-classic
2026-04-16T18:20:10,003   Created temporary directory: /tmp/pip-wheel-02jfnhy1
2026-04-16T18:20:10,004   Destination directory: /tmp/pip-wheel-02jfnhy1
2026-04-16T18:20:10,006   Building wheel for langchain-classic (pyproject.toml): started
2026-04-16T18:20:10,007   Running command Building wheel for langchain-classic (pyproject.toml)
2026-04-16T18:20:10,151   Building wheel for langchain-classic (pyproject.toml): finished with status 'done'
2026-04-16T18:20:10,165   Created wheel for langchain-classic: filename=langchain_classic-1.0.4-py3-none-any.whl size=1040918 sha256=b55d0925bc66cf2efa0b65d71c514c42cf9e4df798b9e976c063b3ecea8cf272
2026-04-16T18:20:10,166   Stored in directory: /tmp/pip-ephem-wheel-cache-rzj3il6y/wheels/44/49/c7/2de6ea07aa49c1fc3c9bf5aced265b308c805bd6c6be7896b1
2026-04-16T18:20:10,217 Successfully built langchain-classic
2026-04-16T18:20:10,249 Removed build tracker: '/tmp/pip-build-tracker-h12rn8tc'