compile rust in optimized mode cause it's a bit faster
@@ -89,6 +89,7 @@ impl Interpreter for Rust {
File::create(&self.main_file_path).expect("Failed to create file for rust-original");
write(&self.main_file_path, &self.code).expect("Unable to write to file for rust-original");
let output = Command::new("rustc")
+ .arg("-O")
.arg("--out-dir")
.arg(&self.rust_work_dir)
.arg(&self.main_file_path)
