Fix clippy warnings

hash/src/pbkdf2.rs

@@ -20,7 +20,7 @@ pub fn compute_pbkdf2_sha512(
     derived_key_length: usize,
 ) -> Result<Vec<u8>, Pbkdf2Error> {
     // Following https://www.ietf.org/rfc/rfc2898.txt
-    if (derived_key_length as u64) > u64::from(u32::max_value()) * (Sha512Hash::len() as u64) {
+    if (derived_key_length as u64) > u64::from(u32::MAX) * (Sha512Hash::len() as u64) {
         return Err(Pbkdf2Error::KeyTooLong);
     }
 

network-libp2p/src/connection_pool/behaviour.rs

@@ -278,7 +278,7 @@ impl<T> std::fmt::Display for ConnectionState<T> {
 #[derive(Debug)]
 pub enum Event {
     /// A peer has joined
-    PeerJoined { peer_id: PeerId },
+    PeerJoined,
 }
 
 type PoolToSwarm = ToSwarm<Event, Void>;
@@ -677,9 +677,7 @@ impl Behaviour {
             .mark_connected(address.clone(), peer_services);
 
         self.actions
-            .push_back(ToSwarm::GenerateEvent(Event::PeerJoined {
-                peer_id: *peer_id,
-            }));
+            .push_back(ToSwarm::GenerateEvent(Event::PeerJoined));
         self.wake();
 
         self.maintain_peers();

network-libp2p/src/swarm.rs

@@ -677,7 +677,7 @@ fn handle_event(
                 }
                 behaviour::BehaviourEvent::Pool(event) => {
                     match event {
-                        connection_pool::Event::PeerJoined { peer_id: _ } => {}
+                        connection_pool::Event::PeerJoined => {}
                     };
                 }
                 behaviour::BehaviourEvent::RequestResponse(event) => match event {

primitives/src/key_nibbles.rs

@@ -1,6 +1,6 @@
 use std::{
     cmp::{self, Ordering},
-    fmt, io, ops, str, usize,
+    fmt, io, ops, str,
 };
 
 use byteorder::WriteBytesExt;