chore: clippy (#1990)

* chore: clippy

* chore: clippy

ethers-solc/benches/compile_many.rs

@@ -36,7 +36,6 @@ fn load_compiler_inputs() -> Vec<CompilerInput> {
     let mut inputs = Vec::new();
     for file in std::fs::read_dir(Path::new(&env!("CARGO_MANIFEST_DIR")).join("test-data/in"))
         .unwrap()
-        .into_iter()
         .take(5)
     {
         let file = file.unwrap();

ethers-solc/src/artifacts/ast/mod.rs

@@ -1089,11 +1089,11 @@ mod tests {
                 let result: Result<SourceUnit, _> = serde_path_to_error::deserialize(deserializer);
                 match result {
                     Err(e) => {
-                        println!("... {} fail: {e}", path_str);
+                        println!("... {path_str} fail: {e}");
                         panic!();
                     }
                     Ok(_) => {
-                        println!("... {} ok", path_str);
+                        println!("... {path_str} ok");
                     }
                 }
             })

ethers-solc/src/compile/mod.rs

@@ -457,7 +457,7 @@ impl Solc {
 
         use sha2::Digest;
         let mut hasher = sha2::Sha256::new();
-        hasher.update(&content);
+        hasher.update(content);
         let checksum_calc = &hasher.finalize()[..];
 
         let checksum_found = &RELEASES.0.get_checksum(&version).expect("checksum not found");

ethers-solc/src/resolver/mod.rs

@@ -649,7 +649,7 @@ impl Graph {
                 return Vec::new()
             }
 
-            let mut result = sets.pop().cloned().expect("not empty; qed.").clone();
+            let mut result = sets.pop().cloned().expect("not empty; qed.");
             if !sets.is_empty() {
                 result.retain(|item| sets.iter().all(|set| set.contains(item)));
             }

examples/middleware/examples/create_custom_middleware.rs

@@ -92,7 +92,7 @@ where
         };
 
         println!("Original transaction gas: {curr_gas:?} wei");
-        let units: U256 = U256::exp10(CONTINGENCY_UNITS.into());
+        let units: U256 = U256::exp10(CONTINGENCY_UNITS);
         let raised_gas: U256 = (curr_gas * self.contingency) / units;
         tx.set_gas(raised_gas);
         println!("Raised transaction gas: {raised_gas:?} wei");