chore: msrv 1.88 (#17782)

crates/net/downloaders/src/bodies/bodies.rs

@@ -449,7 +449,7 @@ struct OrderedBodiesResponse<B: Block> {
 
 impl<B: Block> OrderedBodiesResponse<B> {
     #[inline]
-    fn len(&self) -> usize {
+    const fn len(&self) -> usize {
         self.resp.len()
     }
 

crates/net/downloaders/src/file_client.rs

@@ -437,7 +437,7 @@ impl ChunkedFileReader {
 
     /// Calculates the number of bytes to read from the chain file. Returns a tuple of the chunk
     /// length and the remaining file length.
-    fn chunk_len(&self) -> u64 {
+    const fn chunk_len(&self) -> u64 {
         let Self { chunk_byte_len, file_byte_len, .. } = *self;
         let file_byte_len = file_byte_len + self.chunk.len() as u64;
 

crates/net/downloaders/src/test_utils/bodies_client.rs

@@ -61,7 +61,7 @@ impl TestBodiesClient {
     /// empty_response_mod == 0`.
     pub(crate) fn should_respond_empty(&self) -> bool {
         if let Some(empty_response_mod) = self.empty_response_mod {
-            self.times_requested.load(Ordering::Relaxed) % empty_response_mod == 0
+            self.times_requested.load(Ordering::Relaxed).is_multiple_of(empty_response_mod)
         } else {
             false
         }