make Clippy happy

src/lib.rs

@@ -92,6 +92,7 @@ where
 ///     same bencher
 ///     - f: the piece of code to run and measure
 /// - the measurements will be printed to STDOUT as JSON
+#[allow(clippy::type_complexity)]
 pub fn bench_multiple(b: &Bencher, benches: &mut [(String, Box<dyn FnMut() -> Duration>)]) {
     let style = ProgressStyle::with_template(
         "[{elapsed_precise}] {bar:40.cyan/blue} {pos:>10}/{len:10} {msg}",