Clippy

sdk/program/src/fee_calculator.rs

@@ -309,9 +309,11 @@ mod tests {
     fn test_fee_rate_governor_derived_adjust() {
         solana_logger::setup();
 
-        let mut f = FeeRateGovernor::default();
-        f.target_lamports_per_signature = 100;
-        f.target_signatures_per_slot = 100;
+        let mut f = FeeRateGovernor {
+            target_lamports_per_signature: 100,
+            target_signatures_per_slot: 100,
+            ..FeeRateGovernor::default()
+        };
         f = FeeRateGovernor::new_derived(&f, 0);
 
         // Ramp fees up

sdk/program/src/rent.rs

@@ -109,9 +109,11 @@ mod tests {
             (0, true)
         );
 
-        let mut custom_rent = Rent::default();
-        custom_rent.lamports_per_byte_year = 5;
-        custom_rent.exemption_threshold = 2.5;
+        let custom_rent = Rent {
+            lamports_per_byte_year: 5,
+            exemption_threshold: 2.5,
+            ..Rent::default()
+        };
 
         assert_eq!(
             custom_rent.due(0, 2, 1.2),

sdk/program/src/short_vec.rs

@@ -199,6 +199,7 @@ impl<'de, T: Deserialize<'de>> Deserialize<'de> for ShortVec<T> {
 }
 
 /// Return the decoded value and how many bytes it consumed.
+#[allow(clippy::result_unit_err)]
 pub fn decode_len(bytes: &[u8]) -> Result<(usize, usize), ()> {
     let mut len = 0;
     let mut size = 0;

sdk/program/src/sysvar/recent_blockhashes.rs

@@ -136,7 +136,7 @@ pub fn create_test_recent_blockhashes(start: usize) -> RecentBlockhashes {
         .iter()
         .map(|(i, hash, fee_calc)| IterItem(*i, hash, fee_calc))
         .collect();
-    RecentBlockhashes::from_iter(bhq.into_iter())
+    bhq.into_iter().collect()
 }
 
 #[cfg(test)]