Remove unused_variables

coordinator/src/tests/tributary/dkg.rs

@@ -281,7 +281,7 @@ async fn dkg_test() {
   let key_pair = (serai_client::Public(substrate_key), network_key.try_into().unwrap());
 
   let mut txs = vec![];
-  for (k, key) in keys.iter().enumerate() {
+  for key in keys.iter() {
     let attempt = 0;
     // This is fine to re-use the one DB as such, due to exactly how this specific call is coded,
     // albeit poor

coordinator/src/tests/tributary/mod.rs

@@ -66,7 +66,7 @@ fn serialize_transaction() {
     // Create a valid vec of shares
     let mut shares = vec![];
     // Create up to 512 participants
-    for i in 0 .. (OsRng.next_u64() % 512) {
+    for _ in 0 .. (OsRng.next_u64() % 512) {
       let mut share = vec![0; share_len];
       OsRng.fill_bytes(&mut share);
       shares.push(share);