diff --git a/.common/rust/src/main.rs b/.common/rust/src/main.rs
index 4f9b0c2..41498c8 100644
--- a/.common/rust/src/main.rs
+++ b/.common/rust/src/main.rs
@@ -1,3 +1,5 @@
+#![allow(unused_imports)]
+
 use self::math::*;
 use self::output::*;
 use self::input::*;
@@ -24,14 +26,15 @@ fn main() {
     if SINGLE_TEST {
         solve(&mut s)
     } else {
-        let N = s.next::<i32>();
-        for _ in 0..N {
+        let n = s.next::<usize>();
+        for _ in 0..n {
             solve(&mut s)
         }
     }
 }
 // endregion runner
 
+#[allow(dead_code)]
 mod math {
     const MOD: i64 = 1_000_000_007;
 
@@ -61,6 +64,7 @@ mod math {
     }
 }
 
+#[allow(dead_code)]
 mod output {
     pub fn yes() {
         println!("YES");
@@ -75,6 +79,7 @@ mod output {
     }
 }
 
+#[allow(dead_code)]
 mod input {
     use std::collections::VecDeque;
     use std::io;