2025-09-05T01:01:47,665 Created temporary directory: /tmp/pip-build-tracker-34b7c_01 2025-09-05T01:01:47,666 Initialized build tracking at /tmp/pip-build-tracker-34b7c_01 2025-09-05T01:01:47,666 Created build tracker: /tmp/pip-build-tracker-34b7c_01 2025-09-05T01:01:47,666 Entered build tracker: /tmp/pip-build-tracker-34b7c_01 2025-09-05T01:01:47,666 Created temporary directory: /tmp/pip-wheel-6cmvovf0 2025-09-05T01:01:47,670 Created temporary directory: /tmp/pip-ephem-wheel-cache-vg3t9a63 2025-09-05T01:01:47,725 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-09-05T01:01:47,728 2 location(s) to search for versions of demucs: 2025-09-05T01:01:47,728 * https://pypi.org/simple/demucs/ 2025-09-05T01:01:47,728 * https://www.piwheels.org/simple/demucs/ 2025-09-05T01:01:47,728 Fetching project page and analyzing links: https://pypi.org/simple/demucs/ 2025-09-05T01:01:47,728 Getting page https://pypi.org/simple/demucs/ 2025-09-05T01:01:47,729 Found index url https://pypi.org/simple/ 2025-09-05T01:01:47,876 Fetched page https://pypi.org/simple/demucs/ as application/vnd.pypi.simple.v1+json 2025-09-05T01:01:47,882 Found link https://files.pythonhosted.org/packages/80/04/5d0473a2e1261c3789ff6083febb5f797776a42dbbe069691b9cc73c9f10/demucs-0.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 0.0.0 2025-09-05T01:01:47,883 Found link https://files.pythonhosted.org/packages/f0/0b/ebb129e8724e8822e8f94e231118109f73b4a77ff76d47142e0fced854d7/demucs-0.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 0.0.1 2025-09-05T01:01:47,883 Found link https://files.pythonhosted.org/packages/45/01/b59d89dc34a990ebe5ef66880ca43ec408c31f0a7689975367fd9e52592f/demucs-0.0.2.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 0.0.2 2025-09-05T01:01:47,884 Found link https://files.pythonhosted.org/packages/80/77/4991edb8d4764892260a913048ee607b50da520c4638f2c824ce1bdbe30e/demucs-2.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.0 2025-09-05T01:01:47,884 Found link https://files.pythonhosted.org/packages/3b/37/5e853b339c193ce4d6bf47f1c1766ee938c1976eedec0ff9461d9c0b8e10/demucs-2.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.1 2025-09-05T01:01:47,885 Found link https://files.pythonhosted.org/packages/ee/8b/8f3246b5b21cc137c02aeaf9cbeff2a6d1f65aafdb325f11aecc13ba07c3/demucs-2.0.2.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.2 2025-09-05T01:01:47,885 Found link https://files.pythonhosted.org/packages/48/91/c6594847bc3ab99597f58acdb99c022cfe1d6027353e695778dd90301128/demucs-2.0.3.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.3 2025-09-05T01:01:47,886 Found link https://files.pythonhosted.org/packages/5b/a5/d29ca8f45f1d6dc814d595b9874cb209d45e97c1bbfb41c48968be2e1231/demucs-3.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.0 2025-09-05T01:01:47,886 Found link https://files.pythonhosted.org/packages/5b/93/8a96140c92b11f7928008187a37b4378129510be0d1dcdcb289ddfe258f3/demucs-3.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.1 2025-09-05T01:01:47,886 Found link https://files.pythonhosted.org/packages/6b/ed/61e40fe1d1b43507d2d4d5981711d556504bab18876c2474ae5e0751e9e3/demucs-3.0.2.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.2 2025-09-05T01:01:47,886 Found link https://files.pythonhosted.org/packages/17/24/3b75e03243651603b95d8dbdb99eba104a464d3e8ca26d1ad54d95a985c5/demucs-3.0.3.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.3 2025-09-05T01:01:47,887 Found link https://files.pythonhosted.org/packages/9e/cf/47b385a335c887f3c0aaa6be3e0bb45f43a515d5be066d2d67d3a7e690c6/demucs-3.0.4.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.4 2025-09-05T01:01:47,887 Found link https://files.pythonhosted.org/packages/3d/1c/5514e0b2d69d28a44e6c06f678b427a86c022beca54262578eaccd4033c9/demucs-3.0.5.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.5 2025-09-05T01:01:47,887 Found link https://files.pythonhosted.org/packages/d1/8f/85ffde3724ef9ed8178750119752b7d1a8dd52f0c502e5d98def7d0404d1/demucs-3.0.6.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.6 2025-09-05T01:01:47,888 Found link https://files.pythonhosted.org/packages/7f/1e/c2c2cde6cd5826ea25dc132ec49cf5717474ce03e3479aad7f581adb29b1/demucs-4.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 4.0.0 2025-09-05T01:01:47,888 Found link https://files.pythonhosted.org/packages/87/38/55f835ebd9f443465087a6954ede19d4a41aebdf5e28567e89b99d6d2f57/demucs-4.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.8.0), version: 4.0.1 2025-09-05T01:01:47,889 Fetching project page and analyzing links: https://www.piwheels.org/simple/demucs/ 2025-09-05T01:01:47,889 Getting page https://www.piwheels.org/simple/demucs/ 2025-09-05T01:01:47,890 Found index url https://www.piwheels.org/simple/ 2025-09-05T01:01:47,988 Fetched page https://www.piwheels.org/simple/demucs/ as text/html 2025-09-05T01:01:47,992 Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-4.0.1-py3-none-any.whl#sha256=04d6a0623269b7c2e120bf9c2e41e99baa57f6570ec1bea84b8a7f58d9fd0220 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.8.0) 2025-09-05T01:01:47,992 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-4.0.0-py3-none-any.whl#sha256=7e7f866364006560fa2a6a11df885529d663bec5c711b158a5e43c73d7c3fa4e (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,992 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-3.0.6-py3-none-any.whl#sha256=7e4535a786f2c854c95d3cefe52edc516ffeb44917d3eb476150c151f2e72a3f (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,992 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-3.0.5-py3-none-any.whl#sha256=1562debd9bc08829fc9aa47c7cd123e02090f83100e274b0ddf3bd36de49c125 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,992 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-3.0.4-py3-none-any.whl#sha256=4658585eb41a159a40f6666601ab7dd202fa531135e0af83dfa4fd6d07a68054 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,992 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-3.0.3-py3-none-any.whl#sha256=adcf96789e6b0e0058f21a8c91ca905bd008144fa9d425d8ef9aa7ab88471763 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,993 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-3.0.2-py3-none-any.whl#sha256=2046a9762d38383b15f71fc2762f92cf4655952690011914cb6fc37f0b2e0329 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,993 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-3.0.1-py3-none-any.whl#sha256=ee88fdd39b30ab4cbf39845a40df0a6a1dfee22da403f90876c837271103fb7e (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,993 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-2.0.3-py3-none-any.whl#sha256=a629998e1506e29ed1b645509745fa0464a32fa84006677fd663ba7f7bb71d03 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,993 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-2.0.2-py3-none-any.whl#sha256=6dfa304bd9500d1aebfe9641e9047c811a036a424b25015a96ff037cbf6ca8d8 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,993 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-2.0.1-py3-none-any.whl#sha256=fb9ba9964b696f4510c2204a5984f08dcfd3a8dd6596c3f39ea00288dc92f3e7 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,993 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-2.0.0-py3-none-any.whl#sha256=1da352191a77d642c3ec07033315bc090f1303dc1c0e3486f45634c7c01fd51d (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,993 Skipping link: No binaries permitted for demucs: https://archive1.piwheels.org/simple/demucs/demucs-0.0.2-py3-none-any.whl#sha256=322b2ca9826abfda67049718e4ea8d56ac4355ebf7a800a46e2d2ccffbf35372 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0) 2025-09-05T01:01:47,994 Skipping link: not a file: https://www.piwheels.org/simple/demucs/ 2025-09-05T01:01:47,994 Skipping link: not a file: https://pypi.org/simple/demucs/ 2025-09-05T01:01:48,022 Given no hashes to check 1 links for project 'demucs': discarding no candidates 2025-09-05T01:01:48,024 Collecting demucs==3.0.0 2025-09-05T01:01:48,025 Created temporary directory: /tmp/pip-unpack-dfqn825n 2025-09-05T01:01:48,267 Downloading demucs-3.0.0.tar.gz (1.5 MB) 2025-09-05T01:01:48,527 Added demucs==3.0.0 from https://files.pythonhosted.org/packages/5b/a5/d29ca8f45f1d6dc814d595b9874cb209d45e97c1bbfb41c48968be2e1231/demucs-3.0.0.tar.gz to build tracker '/tmp/pip-build-tracker-34b7c_01' 2025-09-05T01:01:48,528 Running setup.py (path:/tmp/pip-wheel-6cmvovf0/demucs_dd611e404af94f98afebfc7ee11c1e50/setup.py) egg_info for package demucs 2025-09-05T01:01:48,528 Created temporary directory: /tmp/pip-pip-egg-info-nio_u1am 2025-09-05T01:01:48,528 Preparing metadata (setup.py): started 2025-09-05T01:01:48,529 Running command python setup.py egg_info 2025-09-05T01:01:49,051 Traceback (most recent call last): 2025-09-05T01:01:49,054 File "", line 2, in 2025-09-05T01:01:49,054 exec(compile(''' 2025-09-05T01:01:49,054 ~~~~^^^^^^^^^^^^ 2025-09-05T01:01:49,054 # This is -- a caller that pip uses to run setup.py 2025-09-05T01:01:49,054 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,054 ...<32 lines>... 2025-09-05T01:01:49,055 exec(compile(setup_py_code, filename, "exec")) 2025-09-05T01:01:49,055 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,055 ''' % ('/tmp/pip-wheel-6cmvovf0/demucs_dd611e404af94f98afebfc7ee11c1e50/setup.py',), "", "exec")) 2025-09-05T01:01:49,055 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,055 File "", line 35, in 2025-09-05T01:01:49,055 File "/tmp/pip-wheel-6cmvovf0/demucs_dd611e404af94f98afebfc7ee11c1e50/setup.py", line 39, in 2025-09-05T01:01:49,055 REQUIRED = load_requirements('requirements_minimal.txt') 2025-09-05T01:01:49,056 File "/tmp/pip-wheel-6cmvovf0/demucs_dd611e404af94f98afebfc7ee11c1e50/setup.py", line 34, in load_requirements 2025-09-05T01:01:49,056 required = [i.strip() for i in open(HERE / name)] 2025-09-05T01:01:49,056 ~~~~^^^^^^^^^^^^^ 2025-09-05T01:01:49,056 FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-wheel-6cmvovf0/demucs_dd611e404af94f98afebfc7ee11c1e50/requirements_minimal.txt' 2025-09-05T01:01:49,140 ERROR: python setup.py egg_info exited with 1 2025-09-05T01:01:49,152 [bold magenta]full command[/]: [blue]/usr/bin/python3 -c ' 2025-09-05T01:01:49,152 exec(compile('"'"''"'"''"'"' 2025-09-05T01:01:49,152 # This is -- a caller that pip uses to run setup.py 2025-09-05T01:01:49,152 # 2025-09-05T01:01:49,152 # - It imports setuptools before invoking setup.py, to enable projects that directly 2025-09-05T01:01:49,152 # import from `distutils.core` to work with newer packaging standards. 2025-09-05T01:01:49,152 # - It provides a clear error message when setuptools is not installed. 2025-09-05T01:01:49,152 # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so 2025-09-05T01:01:49,152 # setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning: 2025-09-05T01:01:49,152 # manifest_maker: standard file '"'"'-c'"'"' not found". 2025-09-05T01:01:49,152 # - It generates a shim setup.py, for handling setup.cfg-only projects. 2025-09-05T01:01:49,152 import os, sys, tokenize, traceback 2025-09-05T01:01:49,152 2025-09-05T01:01:49,152 try: 2025-09-05T01:01:49,152 import setuptools 2025-09-05T01:01:49,152 except ImportError: 2025-09-05T01:01:49,152 print( 2025-09-05T01:01:49,152 "ERROR: Can not execute `setup.py` since setuptools failed to import in " 2025-09-05T01:01:49,152 "the build environment with exception:", 2025-09-05T01:01:49,152 file=sys.stderr, 2025-09-05T01:01:49,152 ) 2025-09-05T01:01:49,152 traceback.print_exc() 2025-09-05T01:01:49,152 sys.exit(1) 2025-09-05T01:01:49,152 2025-09-05T01:01:49,152 __file__ = %r 2025-09-05T01:01:49,152 sys.argv[0] = __file__ 2025-09-05T01:01:49,152 2025-09-05T01:01:49,152 if os.path.exists(__file__): 2025-09-05T01:01:49,152 filename = __file__ 2025-09-05T01:01:49,152 with tokenize.open(__file__) as f: 2025-09-05T01:01:49,152 setup_py_code = f.read() 2025-09-05T01:01:49,152 else: 2025-09-05T01:01:49,152 filename = "" 2025-09-05T01:01:49,152 setup_py_code = "from setuptools import setup; setup()" 2025-09-05T01:01:49,152 2025-09-05T01:01:49,152 exec(compile(setup_py_code, filename, "exec")) 2025-09-05T01:01:49,152 '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-6cmvovf0/demucs_dd611e404af94f98afebfc7ee11c1e50/setup.py'"'"',), "", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-nio_u1am[/] 2025-09-05T01:01:49,153 [bold magenta]cwd[/]: /tmp/pip-wheel-6cmvovf0/demucs_dd611e404af94f98afebfc7ee11c1e50/ 2025-09-05T01:01:49,153 Preparing metadata (setup.py): finished with status 'error' 2025-09-05T01:01:49,154 ERROR: metadata generation failed 2025-09-05T01:01:49,159 Exception information: 2025-09-05T01:01:49,159 Traceback (most recent call last): 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata 2025-09-05T01:01:49,159 call_subprocess( 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~^ 2025-09-05T01:01:49,159 args, 2025-09-05T01:01:49,159 ^^^^^ 2025-09-05T01:01:49,159 ...<2 lines>... 2025-09-05T01:01:49,159 spinner=spinner, 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 ^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess 2025-09-05T01:01:49,159 raise error 2025-09-05T01:01:49,159 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1 2025-09-05T01:01:49,159 2025-09-05T01:01:49,159 The above exception was the direct cause of the following exception: 2025-09-05T01:01:49,159 2025-09-05T01:01:49,159 Traceback (most recent call last): 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper 2025-09-05T01:01:49,159 status = _inner_run() 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run 2025-09-05T01:01:49,159 return self.run(options, args) 2025-09-05T01:01:49,159 ~~~~~~~~^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper 2025-09-05T01:01:49,159 return func(self, options, args) 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run 2025-09-05T01:01:49,159 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve 2025-09-05T01:01:49,159 result = self._result = resolver.resolve( 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~^ 2025-09-05T01:01:49,159 collected.requirements, max_rounds=limit_how_complex_resolution_can_be 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 ^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve 2025-09-05T01:01:49,159 state = resolution.resolve(requirements, max_rounds=max_rounds) 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve 2025-09-05T01:01:49,159 self._add_to_criteria(self.state.criteria, r, parent=None) 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria 2025-09-05T01:01:49,159 if not criterion.candidates: 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__ 2025-09-05T01:01:49,159 return bool(self._sequence) 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__ 2025-09-05T01:01:49,159 self._bool = any(self) 2025-09-05T01:01:49,159 ~~~^^^^^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in 2025-09-05T01:01:49,159 return (c for c in iterator if id(c) not in self._incompatible_ids) 2025-09-05T01:01:49,159 ^^^^^^^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built 2025-09-05T01:01:49,159 candidate = func() 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link 2025-09-05T01:01:49,159 base: Optional[BaseCandidate] = self._make_base_candidate_from_link( 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-05T01:01:49,159 link, template, name, version 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 ^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link 2025-09-05T01:01:49,159 self._link_candidate_cache[link] = LinkCandidate( 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~^ 2025-09-05T01:01:49,159 link, 2025-09-05T01:01:49,159 ^^^^^ 2025-09-05T01:01:49,159 ...<3 lines>... 2025-09-05T01:01:49,159 version=version, 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 ^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__ 2025-09-05T01:01:49,159 super().__init__( 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~^ 2025-09-05T01:01:49,159 link=link, 2025-09-05T01:01:49,159 ^^^^^^^^^^ 2025-09-05T01:01:49,159 ...<4 lines>... 2025-09-05T01:01:49,159 version=version, 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 ^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__ 2025-09-05T01:01:49,159 self.dist = self._prepare() 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare 2025-09-05T01:01:49,159 dist = self._prepare_distribution() 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution 2025-09-05T01:01:49,159 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement 2025-09-05T01:01:49,159 return self._prepare_linked_requirement(req, parallel_builds) 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement 2025-09-05T01:01:49,159 dist = _get_prepared_distribution( 2025-09-05T01:01:49,159 req, 2025-09-05T01:01:49,159 ...<3 lines>... 2025-09-05T01:01:49,159 self.check_build_deps, 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution 2025-09-05T01:01:49,159 abstract_dist.prepare_distribution_metadata( 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-05T01:01:49,159 finder, build_isolation, check_build_deps 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 ^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata 2025-09-05T01:01:49,159 self.req.prepare_metadata() 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~~~~~~~~~~^^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata 2025-09-05T01:01:49,159 self.metadata_directory = generate_metadata_legacy( 2025-09-05T01:01:49,159 ~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-05T01:01:49,159 build_env=self.build_env, 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ...<3 lines>... 2025-09-05T01:01:49,159 details=details, 2025-09-05T01:01:49,159 ^^^^^^^^^^^^^^^^ 2025-09-05T01:01:49,159 ) 2025-09-05T01:01:49,159 ^ 2025-09-05T01:01:49,159 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata 2025-09-05T01:01:49,159 raise MetadataGenerationFailed(package_details=details) from error 2025-09-05T01:01:49,159 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed 2025-09-05T01:01:49,180 Removed demucs==3.0.0 from https://files.pythonhosted.org/packages/5b/a5/d29ca8f45f1d6dc814d595b9874cb209d45e97c1bbfb41c48968be2e1231/demucs-3.0.0.tar.gz from build tracker '/tmp/pip-build-tracker-34b7c_01' 2025-09-05T01:01:49,180 Removed build tracker: '/tmp/pip-build-tracker-34b7c_01'