style: fix clippy warnings

Author: paolobarbolini

watermelon-nkeys/src/seed.rs

@@ -179,7 +179,7 @@ mod tests {
                 "SAAPN4W3EG6KCJGUQTKTJ5!#B5NHK5CHAJL4DBGFUM3HHROI4XUEP4OBK4"
             ),
             Err(KeyPairFromSeedError::InvalidBase32)
-        )
+        );
     }
 
     #[test]
@@ -189,7 +189,7 @@ mod tests {
                 "FAAPN4W3EG6KCJGUQTKTJ5GSB5NHK5CHAJL4DBGFUM3HHROI4XUEP4OBK4"
             ),
             Err(KeyPairFromSeedError::BadCrc)
-        )
+        );
     }
 
     #[test]
@@ -199,6 +199,6 @@ mod tests {
                 "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
             ),
             Err(KeyPairFromSeedError::InvalidPrefix)
-        )
+        );
     }
 }

watermelon/src/client/mod.rs

@@ -198,7 +198,7 @@ impl Client {
     pub(crate) fn test(client_to_handler_chan_size: usize) -> (Self, TestHandler) {
         let builder = Self::builder();
         let (sender, receiver) = mpsc::channel(client_to_handler_chan_size);
-        let (shutdown_sender, shutdown_receiver) = mpsc::channel(1);
+        let (shutdown_sender, _shutdown_receiver) = mpsc::channel(1);
         let info = Arc::new(ArcSwap::new(Arc::from(ServerInfo {
             id: "1234".to_owned(),
             name: "watermelon-test".to_owned(),