2025-10-02T23:46:39,995 Created temporary directory: /tmp/pip-ephem-wheel-cache-48uvxuav 2025-10-02T23:46:39,997 Created temporary directory: /tmp/pip-build-tracker-5h969pab 2025-10-02T23:46:39,997 Initialized build tracking at /tmp/pip-build-tracker-5h969pab 2025-10-02T23:46:39,998 Created build tracker: /tmp/pip-build-tracker-5h969pab 2025-10-02T23:46:39,998 Entered build tracker: /tmp/pip-build-tracker-5h969pab 2025-10-02T23:46:39,999 Created temporary directory: /tmp/pip-wheel-_vyi67mr 2025-10-02T23:46:40,002 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 2025-10-02T23:46:40,004 Created temporary directory: /tmp/pip-ephem-wheel-cache-6psbkhsv 2025-10-02T23:46:40,025 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-10-02T23:46:40,029 2 location(s) to search for versions of langchain-chroma: 2025-10-02T23:46:40,029 * https://pypi.org/simple/langchain-chroma/ 2025-10-02T23:46:40,029 * https://www.piwheels.org/simple/langchain-chroma/ 2025-10-02T23:46:40,030 Fetching project page and analyzing links: https://pypi.org/simple/langchain-chroma/ 2025-10-02T23:46:40,030 Getting page https://pypi.org/simple/langchain-chroma/ 2025-10-02T23:46:40,032 Found index url https://pypi.org/simple 2025-10-02T23:46:40,245 Fetched page https://pypi.org/simple/langchain-chroma/ as application/vnd.pypi.simple.v1+json 2025-10-02T23:46:40,251 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/c7/a7/5d5832f671cbc9f09fba10eeea5d6f62b963d023518c7b898d298ceb2443/langchain_chroma-0.1.0rc1-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<3.13,>=3.8.1) 2025-10-02T23:46:40,253 Found link https://files.pythonhosted.org/packages/2b/7f/a864a6b5942bae64c5a470849c2090689427530cee8e1d09ce52a8f9e620/langchain_chroma-0.1.0rc1.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<3.13,>=3.8.1), version: 0.1.0rc1 2025-10-02T23:46:40,253 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/93/a5/90225a07c5b4cf9f8390ca0ab8ce3d17c04c8135df43bf3a8675a7f0162b/langchain_chroma-0.1.0-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<3.13,>=3.8.1) 2025-10-02T23:46:40,254 Found link https://files.pythonhosted.org/packages/22/bb/999b262caf149a99a948f1609f1f925e379aceb6a1a57c3c37cb4fbd01cb/langchain_chroma-0.1.0.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<3.13,>=3.8.1), version: 0.1.0 2025-10-02T23:46:40,255 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/cf/2f/66e209db560881be55a55f7ecbdc026ca3e45971833016401a951be78ab2/langchain_chroma-0.1.1-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<3.13,>=3.8.1) 2025-10-02T23:46:40,256 Found link https://files.pythonhosted.org/packages/c0/a9/1fdd211a1f1dd15b4f4f59c866938623d4ba4b2221fbed380d779c53db80/langchain_chroma-0.1.1.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<3.13,>=3.8.1), version: 0.1.1 2025-10-02T23:46:40,257 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/10/05/34b30ff33af5ea7e6e5b6d1bf8ea3a0f2c1462c6b7f750f21dd0179fdf1e/langchain_chroma-0.1.2-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.8.1) 2025-10-02T23:46:40,258 Found link https://files.pythonhosted.org/packages/62/06/3ad3efe140eb17fe0c8e1fba03aca0ec6b3fa0451ce7350675c1fefb2a95/langchain_chroma-0.1.2.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.8.1), version: 0.1.2 2025-10-02T23:46:40,258 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/65/22/fa0a518618d769dacc732cf3a623debb04720949e1a5f26d02756c19449f/langchain_chroma-0.1.3-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.8.1) 2025-10-02T23:46:40,259 Found link https://files.pythonhosted.org/packages/a8/3a/0a77f0a9e5032f7fcde9230be52e166f0954897f07df448a10d28b1d668d/langchain_chroma-0.1.3.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.8.1), version: 0.1.3 2025-10-02T23:46:40,260 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/bc/8c/ef0a589e523e72373a79a64cd1184682155113b865f889d815a9f264a755/langchain_chroma-0.1.4-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.8.1) 2025-10-02T23:46:40,261 Found link https://files.pythonhosted.org/packages/ea/0d/b55c34db346e531d72e629891606512a792c83c8c82b40e6e313db3e36b9/langchain_chroma-0.1.4.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.8.1), version: 0.1.4 2025-10-02T23:46:40,262 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/e8/97/ba7da2b62d3a8dc81099f1d3024fd75992bc73fb99b69a890bed823e2db4/langchain_chroma-0.2.0-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9) 2025-10-02T23:46:40,263 Found link https://files.pythonhosted.org/packages/96/eb/ec2ad3a7a5cfc02cd114cf37cde79ee781e818f909233d162f03df20eaa9/langchain_chroma-0.2.0.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9), version: 0.2.0 2025-10-02T23:46:40,263 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/36/3d/865bfe0b076ee2528035b6649e3ef6aad1990920fddffba00e34226c72d9/langchain_chroma-0.2.1-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9) 2025-10-02T23:46:40,264 Found link https://files.pythonhosted.org/packages/39/81/7a6bb029a87511df844c33d38a8c97197e5796fcb1bf9e19b928ceba69cd/langchain_chroma-0.2.1.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9), version: 0.2.1 2025-10-02T23:46:40,265 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/e0/ad/02b43c9c6243d430a32fda148236ba02e49289326a58aeef57723f3a92fe/langchain_chroma-0.2.2-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9) 2025-10-02T23:46:40,266 Found link https://files.pythonhosted.org/packages/40/be/bf74dc6b721d71b29134d15703bdc167cd26e17667b68ef55a0feb701e7a/langchain_chroma-0.2.2.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9), version: 0.2.2 2025-10-02T23:46:40,267 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/4f/84/ab3afa3bb5e0792ea6ed3a5b44e5233aa6bd3313ca6a1ae58cb7e48903b1/langchain_chroma-0.2.3-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9) 2025-10-02T23:46:40,268 Found link https://files.pythonhosted.org/packages/ee/6a/f8e26b3ce1a7958beabf2e5776695781f93e87d245e1a6a62a316af7fca4/langchain_chroma-0.2.3.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4,>=3.9), version: 0.2.3 2025-10-02T23:46:40,268 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/61/70/384bcdcaac7cb74e239a8411a9bd16079c7e0d9174391d66c635c45514f4/langchain_chroma-0.2.4-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:>=3.9) 2025-10-02T23:46:40,269 Found link https://files.pythonhosted.org/packages/4c/2c/7e81227945e6bb0fe09b1a858dbcdcd9cef7e9ffcf4a1b5974c8d51bf9bc/langchain_chroma-0.2.4.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:>=3.9), version: 0.2.4 2025-10-02T23:46:40,270 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/3d/f9/705820c4792540383d4cf9c96fc55784fbd972897f5e84e3160001aba51d/langchain_chroma-0.2.5-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:>=3.9) 2025-10-02T23:46:40,271 Found link https://files.pythonhosted.org/packages/3d/37/e841c916db260732ffef3d7e51ceca826aeac26b18615984b4e6381cd07c/langchain_chroma-0.2.5.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:>=3.9), version: 0.2.5 2025-10-02T23:46:40,272 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/08/bc/591e416a134f9fb766579d1ca9739f32b9d79c607a5053d34ad2b8fa7246/langchain_chroma-0.2.6-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:>=3.9) 2025-10-02T23:46:40,272 Found link https://files.pythonhosted.org/packages/dd/94/93ab8f6e96429a60da50eea2d3f3ac988852f6b8da4e817d73ec026a0bd3/langchain_chroma-0.2.6.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:>=3.9), version: 0.2.6 2025-10-02T23:46:40,273 Skipping link: No binaries permitted for langchain-chroma: https://files.pythonhosted.org/packages/22/42/20263a1786a95511f421b40f3179e5708c623a8d085d4f19010925b23f5b/langchain_chroma-1.0.0a1-py3-none-any.whl (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4.0.0,>=3.10.0) 2025-10-02T23:46:40,274 Found link https://files.pythonhosted.org/packages/14/4b/f467014e6e68189c45515cc57bfb8be9764549437ffab10e5d2dca794a89/langchain_chroma-1.0.0a1.tar.gz (from https://pypi.org/simple/langchain-chroma/) (requires-python:<4.0.0,>=3.10.0), version: 1.0.0a1 2025-10-02T23:46:40,275 Fetching project page and analyzing links: https://www.piwheels.org/simple/langchain-chroma/ 2025-10-02T23:46:40,275 Getting page https://www.piwheels.org/simple/langchain-chroma/ 2025-10-02T23:46:40,276 Found index url https://www.piwheels.org/simple 2025-10-02T23:46:40,581 Fetched page https://www.piwheels.org/simple/langchain-chroma/ as text/html 2025-10-02T23:46:40,588 Skipping link: No binaries permitted for langchain-chroma: https://www.piwheels.org/simple/langchain-chroma/langchain_chroma-0.2.6-py3-none-any.whl#sha256=d7e10101b0942cd990eedb798c3d85ed3e8415a992c8a388843196f6ab97b41b (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.9) 2025-10-02T23:46:40,589 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.2.5-py3-none-any.whl#sha256=dcb80330cd8ac9a87695a5ba237a15affeb805751bdb42dee213b12e0d379825 (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.9) 2025-10-02T23:46:40,590 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.2.4-py3-none-any.whl#sha256=59569ce218ce4e87a4ff3267a887374579ea644a65af9dfd7a336c643c4d333e (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.9) 2025-10-02T23:46:40,590 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.2.3-py3-none-any.whl#sha256=f37c09a9578f0c1f5a57cf028df55bfd5913d6f5bcdc91dbc4fb97a6a4fa1ab0 (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:<4,>=3.9) 2025-10-02T23:46:40,591 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.2.2-py3-none-any.whl#sha256=7766335f16975c2059bb6e8ea75a59a4082c52e6c9d66827681d1bce2c2756a2 (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:<4,>=3.9) 2025-10-02T23:46:40,592 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.2.1-py3-none-any.whl#sha256=7eca0a2ace16040dc847ff5760a33a02adb6eb74543420d847b3a0d00e699421 (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.9,<4) 2025-10-02T23:46:40,592 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.2.0-py3-none-any.whl#sha256=038d5d0534221ce0ff6e02401421724258e6cd2c05d85b95c713a769ff7a94fb (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.9,<4) 2025-10-02T23:46:40,593 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.1.4-py3-none-any.whl#sha256=f9a59367e0daebf08848610f2161de54ad800a89f5857ae805cbdfc46fb88748 (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.8.1,<4) 2025-10-02T23:46:40,595 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.1.3-py3-none-any.whl#sha256=7857f8c63faa827118b18e06e926ef22a02b30c1462c8467dd7240d3e685edd3 (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.8.1,<4) 2025-10-02T23:46:40,596 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.1.2-py3-none-any.whl#sha256=4d5a811c49fa216428b44d1366b26b72148bc8a090a39bcabfe1fdcc9ce6029d (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.8.1,<4) 2025-10-02T23:46:40,597 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.1.1-py3-none-any.whl#sha256=8281a1e93d92e49abde9926040e376a394c31e9b444b9104d51fe17c4665e9cb (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.8.1,<3.13) 2025-10-02T23:46:40,598 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.1.0-py3-none-any.whl#sha256=45583123f90370fa29cb9bc8a0de43cc99e4bad7f635a0043e4f30f7b1e2c448 (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.8.1,<3.13) 2025-10-02T23:46:40,598 Skipping link: No binaries permitted for langchain-chroma: https://archive1.piwheels.org/simple/langchain-chroma/langchain_chroma-0.1.0rc1-py3-none-any.whl#sha256=7e760ece8593011ad1bea50363021f774e8e9f4d36e3699e18d4cd55bea6e15e (from https://www.piwheels.org/simple/langchain-chroma/) (requires-python:>=3.8.1,<3.13) 2025-10-02T23:46:40,599 Skipping link: not a file: https://www.piwheels.org/simple/langchain-chroma/ 2025-10-02T23:46:40,600 Skipping link: not a file: https://pypi.org/simple/langchain-chroma/ 2025-10-02T23:46:40,631 Given no hashes to check 1 links for project 'langchain-chroma': discarding no candidates 2025-10-02T23:46:40,660 Collecting langchain-chroma==1.0.0a1 2025-10-02T23:46:40,665 Created temporary directory: /tmp/pip-unpack-z_bwl3zk 2025-10-02T23:46:40,898 Downloading langchain_chroma-1.0.0a1.tar.gz (17 kB) 2025-10-02T23:46:40,966 Added langchain-chroma==1.0.0a1 from https://files.pythonhosted.org/packages/14/4b/f467014e6e68189c45515cc57bfb8be9764549437ffab10e5d2dca794a89/langchain_chroma-1.0.0a1.tar.gz to build tracker '/tmp/pip-build-tracker-5h969pab' 2025-10-02T23:46:40,980 Created temporary directory: /tmp/pip-build-env-yhz67c60 2025-10-02T23:46:40,999 Installing build dependencies: started 2025-10-02T23:46:41,002 Running command pip subprocess to install build dependencies 2025-10-02T23:46:42,156 Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11) 2025-10-02T23:46:42,775 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 2025-10-02T23:46:42,797 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-10-02T23:46:43,222 Collecting pdm-backend 2025-10-02T23:46:43,245 Using cached https://www.piwheels.org/simple/pdm-backend/pdm_backend-2.4.5-py3-none-any.whl (115 kB) 2025-10-02T23:46:45,897 Installing collected packages: pdm-backend 2025-10-02T23:46:46,301 Successfully installed pdm-backend-2.4.5 2025-10-02T23:46:46,526 Installing build dependencies: finished with status 'done' 2025-10-02T23:46:46,533 Getting requirements to build wheel: started 2025-10-02T23:46:46,534 Running command Getting requirements to build wheel 2025-10-02T23:46:47,026 Getting requirements to build wheel: finished with status 'done' 2025-10-02T23:46:47,029 Created temporary directory: /tmp/pip-modern-metadata-fxber8gg 2025-10-02T23:46:47,032 Preparing metadata (pyproject.toml): started 2025-10-02T23:46:47,033 Running command Preparing metadata (pyproject.toml) 2025-10-02T23:46:47,522 Preparing metadata (pyproject.toml): finished with status 'done' 2025-10-02T23:46:47,526 Source in /tmp/pip-wheel-_vyi67mr/langchain-chroma_a500a6a8385f409db06be41f6bc86dec has version 1.0.0a1, which satisfies requirement langchain-chroma==1.0.0a1 from https://files.pythonhosted.org/packages/14/4b/f467014e6e68189c45515cc57bfb8be9764549437ffab10e5d2dca794a89/langchain_chroma-1.0.0a1.tar.gz 2025-10-02T23:46:47,527 Removed langchain-chroma==1.0.0a1 from https://files.pythonhosted.org/packages/14/4b/f467014e6e68189c45515cc57bfb8be9764549437ffab10e5d2dca794a89/langchain_chroma-1.0.0a1.tar.gz from build tracker '/tmp/pip-build-tracker-5h969pab' 2025-10-02T23:46:47,532 Created temporary directory: /tmp/pip-unpack-7xmluup1 2025-10-02T23:46:47,533 Building wheels for collected packages: langchain-chroma 2025-10-02T23:46:47,538 Created temporary directory: /tmp/pip-wheel-mq5bfwxf 2025-10-02T23:46:47,538 Destination directory: /tmp/pip-wheel-mq5bfwxf 2025-10-02T23:46:47,541 Building wheel for langchain-chroma (pyproject.toml): started 2025-10-02T23:46:47,542 Running command Building wheel for langchain-chroma (pyproject.toml) 2025-10-02T23:46:47,979 - Adding /tmp/pip-modern-metadata-fxber8gg/langchain_chroma-1.0.0a1.dist-info/METADATA -> langchain_chroma-1.0.0a1.dist-info/METADATA 2025-10-02T23:46:47,979 - Adding /tmp/pip-modern-metadata-fxber8gg/langchain_chroma-1.0.0a1.dist-info/WHEEL -> langchain_chroma-1.0.0a1.dist-info/WHEEL 2025-10-02T23:46:47,980 - Adding /tmp/pip-modern-metadata-fxber8gg/langchain_chroma-1.0.0a1.dist-info/entry_points.txt -> langchain_chroma-1.0.0a1.dist-info/entry_points.txt 2025-10-02T23:46:47,981 - Adding /tmp/pip-modern-metadata-fxber8gg/langchain_chroma-1.0.0a1.dist-info/licenses/LICENSE -> langchain_chroma-1.0.0a1.dist-info/licenses/LICENSE 2025-10-02T23:46:47,982 - Adding langchain_chroma/__init__.py -> langchain_chroma/__init__.py 2025-10-02T23:46:47,983 - Adding langchain_chroma/py.typed -> langchain_chroma/py.typed 2025-10-02T23:46:47,984 - Adding langchain_chroma/vectorstores.py -> langchain_chroma/vectorstores.py 2025-10-02T23:46:47,984 - Adding langchain_chroma-1.0.0a1.dist-info/RECORD -> langchain_chroma-1.0.0a1.dist-info/RECORD 2025-10-02T23:46:48,033 Building wheel for langchain-chroma (pyproject.toml): finished with status 'done' 2025-10-02T23:46:48,037 Created wheel for langchain-chroma: filename=langchain_chroma-1.0.0a1-py3-none-any.whl size=12562 sha256=bce53516090fa84c74140fc0190975d13fcd1f5cded5ba28163a2a12d4f4c74f 2025-10-02T23:46:48,039 Stored in directory: /tmp/pip-ephem-wheel-cache-6psbkhsv/wheels/6c/2a/26/5427df88dbde9bab1e0674236dc782c16a5badb262a9f9e9a8 2025-10-02T23:46:48,048 Successfully built langchain-chroma 2025-10-02T23:46:48,051 Removed build tracker: '/tmp/pip-build-tracker-5h969pab'