message: Build script cleanups
diff: -extern crate lalrpop;
  -
  -fn main() {
  +fn main() -> Result<(), Box<dyn std::error::Error>> {
  lalrpop::Configuration::new()
  .always_use_colors()
  - .use_cargo_dir_conventions()
  - .process()
  - .unwrap();
  + .process_current_dir()
  }
  