view .arcconfig @ 42475:85041e2b69c7

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.

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}