silence new clippy warnings

Author: ibraheemdev

benches/bench.rs

@@ -1,5 +1,6 @@
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
 
+#[allow(clippy::useless_concat)]
 fn compare_routers(c: &mut Criterion) {
     let mut group = c.benchmark_group("Compare Routers");