chore: fix clippy lints

descriptors/src/input.rs

@@ -128,7 +128,7 @@ impl FromStr for InputDescriptor {
             } else if fragment.contains(':') {
                 let mut split = fragment.split(':');
                 d.tweak = match (split.next(), split.next(), split.next()) {
-                    (Some(x), _, _) if x.is_empty() => None,
+                    (Some(""), _, _) => None,
                     (Some(fingerprint), Some(tweak), None) => {
                         Some((fingerprint.parse()?, tweak.parse()?))
                     }

hd/src/ranges.rs

@@ -274,12 +274,7 @@ impl<Index> PartialOrd for IndexRange<Index>
 where
     Index: SegmentIndexes,
 {
-    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        match self.first_index().partial_cmp(&other.first_index()) {
-            Some(Ordering::Equal) => self.last_index().partial_cmp(&other.last_index()),
-            other => other,
-        }
-    }
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> { Some(self.cmp(other)) }
 }
 
 impl<Index> Ord for IndexRange<Index>

psbt/src/lex_order.rs

@@ -64,15 +64,15 @@ impl LexOrder for PsbtV0 {
             .input
             .clone()
             .into_iter()
-            .zip(self.inputs.clone().into_iter())
+            .zip(self.inputs.clone())
             .collect::<Vec<(_, _)>>();
         inputs.sort_by_key(|(k, _)| k.previous_output);
 
         let mut outputs = tx
             .output
             .clone()
             .into_iter()
-            .zip(self.outputs.clone().into_iter())
+            .zip(self.outputs.clone())
             .collect::<Vec<(_, _)>>();
         outputs.lex_order();
 

psbt/src/sign/signer.rs

@@ -218,7 +218,7 @@ impl SignAll for Psbt {
             .map(|input| {
                 input
                     .input_prevout()
-                    .map(Clone::clone)
+                    .cloned()
                     .map_err(SignInputError::from)
                     .map_err(|err| SignError::with_input_no(err, input.index()))
             })

src/bin/btc-hot.rs

@@ -650,6 +650,7 @@ impl Args {
         Ok(())
     }
 
+    #[allow(clippy::too_many_arguments)]
     fn derive(
         &self,
         seed_file: &Path,