message: Remove unnecessary arguments and env removal
diff: @@ -319,11 +319,7 @@ pub fn print<'a>(
  "RUSTFLAGS",
  )?;
  let mut process = rustc.process();
  - process
  - .arg("-")
  - .arg("--crate-name")
  - .arg("___")
  - .args(&rustflags);
  + process.args(&rustflags);
  if let Some(args) = target_rustc_args {
  process.args(args);
  }
  