message: Use homebrew's rust install stanza
  Homebrew has methods to pass common arguments for several languages' build systems. You can find examples by searching for packaged rust software in [homebrew core](https://github.com/Homebrew/homebrew-core/tree/master/Formula). Diesel, rg, and procs are good examples.
diff: @@ -8,9 +8,7 @@ class Rage < Formula
  depends_on "rust" => :build
  def install
  - system "cargo", "build", "--release", "--package", "rage"
  - bin.install "target/release/rage"
  - bin.install "target/release/rage-keygen"
  + system "cargo", "install", *std_cargo_args(path: './rage')
  end
  test do
  