tox -e gh
  shell: /usr/bin/bash -e {0}
  env:
    PY_COLORS: 1
    pythonLocation: /opt/hostedtoolcache/PyPy/3.8.12/x64/bin
.package create: /home/runner/work/python-can/python-can/.tox/.package
.package installdeps: setuptools >= 40.8, wheel
Traceback (most recent call last):
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/bin/tox", line 8, in <module>
    sys.exit(cmdline())
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/session/__init__.py", line 44, in cmdline
    main(args)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/session/__init__.py", line 69, in main
    exit_code = session.runcommand()
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/session/__init__.py", line 197, in runcommand
    return self.subcommand_test()
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/session/__init__.py", line 213, in subcommand_test
    venv.package = self.hook.tox_package(session=self, venv=venv)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/pluggy/_hooks.py", line 265, in __call__
    return self._hookexec(self.name, self.get_hookimpls(), kwargs, firstresult)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/pluggy/_manager.py", line 80, in _hookexec
    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/pluggy/_callers.py", line 60, in _multicall
    return outcome.get_result()
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/pluggy/_result.py", line 60, in get_result
    raise ex[1].with_traceback(ex[2])
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/pluggy/_callers.py", line 39, in _multicall
    res = hook_impl.function(*args)

  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/package/__init__.py", line 16, in tox_package
    session.package, session.dist = get_package(session)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/package/__init__.py", line 29, in get_package
    package = acquire_package(config, session)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/package/__init__.py", line 40, in acquire_package
    path = build_package(config, session)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/package/builder/__init__.py", line 9, in build_package
    return build(config, session)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/package/builder/isolated.py", line 37, in build
    build_requires = get_build_requires(build_info, package_venv, config.setupdir)
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/site-packages/tox/package/builder/isolated.py", line 149, in get_build_requires
    return json.loads(result.split("\n")[-2])
  File "/opt/hostedtoolcache/PyPy/3.8.12/x64/lib/pypy3.8/json/__init__.py", line 364, in loads
    if _pypyjson else _default_decoder.decode(s))
json.decoder.JSONDecodeError: Unexpected 'w': line 1 column 3 (char 2)