rust: switched to 'cargo rustc' in setup.py
This is more flexible in the passing of additional flags, also
what setuptools_rust does, giving less uncertainty about non-Linux
platforms.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false