rust-status: error on non-existent files in file_set
file_set here consists of the files that were explicitly specified on
the command line. Erroring on them matches the behavior of Python
status.
[build-system]
requires = ["setuptools", "wheel"]
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true