Gitlab无法在构建时清理我的缓存。如何解决这个问题？
执行器：外壳
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warning: failed to remove config/__pycache__/__init__.cpython-36.pyc
warning: failed to remove config/settings/__pycache__/local.cpython-36.pyc
warning: failed to remove config/settings/__pycache__/__init__.cpython-36.pyc
warning: failed to remove config/settings/__pycache__/common.cpython-36.pyc
warning: failed to remove config/settings/__pycache__/test.cpython-36.pyc
warning: failed to remove docs/__pycache__/__init__.cpython-36.pyc