Rust 1.89 compiler lint fix (#7644)

Fix lints for Rust 1.89 beta compiler

beacon_node/beacon_chain/src/attestation_verification.rs

@@ -353,7 +353,7 @@ impl<T: BeaconChainTypes> Clone for IndexedUnaggregatedAttestation<'_, T> {
 /// A helper trait implemented on wrapper types that can be progressed to a state where they can be
 /// verified for application to fork choice.
 pub trait VerifiedAttestation<T: BeaconChainTypes>: Sized {
-    fn attestation(&self) -> AttestationRef<T::EthSpec>;
+    fn attestation(&self) -> AttestationRef<'_, T::EthSpec>;
 
     fn indexed_attestation(&self) -> &IndexedAttestation<T::EthSpec>;
 
@@ -366,7 +366,7 @@ pub trait VerifiedAttestation<T: BeaconChainTypes>: Sized {
 }
 
 impl<T: BeaconChainTypes> VerifiedAttestation<T> for VerifiedAggregatedAttestation<'_, T> {
-    fn attestation(&self) -> AttestationRef<T::EthSpec> {
+    fn attestation(&self) -> AttestationRef<'_, T::EthSpec> {
         self.attestation()
     }
 
@@ -376,7 +376,7 @@ impl<T: BeaconChainTypes> VerifiedAttestation<T> for VerifiedAggregatedAttestati
 }
 
 impl<T: BeaconChainTypes> VerifiedAttestation<T> for VerifiedUnaggregatedAttestation<'_, T> {
-    fn attestation(&self) -> AttestationRef<T::EthSpec> {
+    fn attestation(&self) -> AttestationRef<'_, T::EthSpec> {
         self.attestation.to_ref()
     }
 

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -7080,7 +7080,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         &self,
         block_root: Hash256,
         block_data: AvailableBlockData<T::EthSpec>,
-    ) -> Result<Option<StoreOp<T::EthSpec>>, String> {
+    ) -> Result<Option<StoreOp<'_, T::EthSpec>>, String> {
         match block_data {
             AvailableBlockData::NoData => Ok(None),
             AvailableBlockData::Blobs(blobs) => {

beacon_node/beacon_chain/src/block_verification.rs

@@ -2042,7 +2042,7 @@ pub fn cheap_state_advance_to_obtain_committees<'a, E: EthSpec, Err: BlockBlobEr
 /// Obtains a read-locked `ValidatorPubkeyCache` from the `chain`.
 pub fn get_validator_pubkey_cache<T: BeaconChainTypes>(
     chain: &BeaconChain<T>,
-) -> Result<RwLockReadGuard<ValidatorPubkeyCache<T>>, BeaconChainError> {
+) -> Result<RwLockReadGuard<'_, ValidatorPubkeyCache<T>>, BeaconChainError> {
     Ok(chain.validator_pubkey_cache.read())
 }
 

beacon_node/beacon_chain/src/block_verification_types.rs

@@ -365,7 +365,7 @@ pub trait AsBlock<E: EthSpec> {
     fn parent_root(&self) -> Hash256;
     fn state_root(&self) -> Hash256;
     fn signed_block_header(&self) -> SignedBeaconBlockHeader;
-    fn message(&self) -> BeaconBlockRef<E>;
+    fn message(&self) -> BeaconBlockRef<'_, E>;
     fn as_block(&self) -> &SignedBeaconBlock<E>;
     fn block_cloned(&self) -> Arc<SignedBeaconBlock<E>>;
     fn canonical_root(&self) -> Hash256;
@@ -392,7 +392,7 @@ impl<E: EthSpec> AsBlock<E> for Arc<SignedBeaconBlock<E>> {
         SignedBeaconBlock::signed_block_header(self)
     }
 
-    fn message(&self) -> BeaconBlockRef<E> {
+    fn message(&self) -> BeaconBlockRef<'_, E> {
         SignedBeaconBlock::message(self)
     }
 
@@ -425,7 +425,7 @@ impl<E: EthSpec> AsBlock<E> for MaybeAvailableBlock<E> {
     fn signed_block_header(&self) -> SignedBeaconBlockHeader {
         self.as_block().signed_block_header()
     }
-    fn message(&self) -> BeaconBlockRef<E> {
+    fn message(&self) -> BeaconBlockRef<'_, E> {
         self.as_block().message()
     }
     fn as_block(&self) -> &SignedBeaconBlock<E> {
@@ -466,7 +466,7 @@ impl<E: EthSpec> AsBlock<E> for AvailableBlock<E> {
         self.block().signed_block_header()
     }
 
-    fn message(&self) -> BeaconBlockRef<E> {
+    fn message(&self) -> BeaconBlockRef<'_, E> {
         self.block().message()
     }
 
@@ -499,7 +499,7 @@ impl<E: EthSpec> AsBlock<E> for RpcBlock<E> {
     fn signed_block_header(&self) -> SignedBeaconBlockHeader {
         self.as_block().signed_block_header()
     }
-    fn message(&self) -> BeaconBlockRef<E> {
+    fn message(&self) -> BeaconBlockRef<'_, E> {
         self.as_block().message()
     }
     fn as_block(&self) -> &SignedBeaconBlock<E> {

beacon_node/beacon_chain/src/canonical_head.rs

@@ -73,11 +73,11 @@ impl<T> CanonicalHeadRwLock<T> {
         Self::from(RwLock::new(item))
     }
 
-    fn read(&self) -> RwLockReadGuard<T> {
+    fn read(&self) -> RwLockReadGuard<'_, T> {
         self.0.read()
     }
 
-    fn write(&self) -> RwLockWriteGuard<T> {
+    fn write(&self) -> RwLockWriteGuard<'_, T> {
         self.0.write()
     }
 }
@@ -369,7 +369,7 @@ impl<T: BeaconChainTypes> CanonicalHead<T> {
     ///
     /// This function is **not safe** to be public. See the module-level documentation for more
     /// information about protecting from deadlocks.
-    fn cached_head_read_lock(&self) -> RwLockReadGuard<CachedHead<T::EthSpec>> {
+    fn cached_head_read_lock(&self) -> RwLockReadGuard<'_, CachedHead<T::EthSpec>> {
         self.cached_head.read()
     }
 
@@ -377,18 +377,18 @@ impl<T: BeaconChainTypes> CanonicalHead<T> {
     ///
     /// This function is **not safe** to be public. See the module-level documentation for more
     /// information about protecting from deadlocks.
-    fn cached_head_write_lock(&self) -> RwLockWriteGuard<CachedHead<T::EthSpec>> {
+    fn cached_head_write_lock(&self) -> RwLockWriteGuard<'_, CachedHead<T::EthSpec>> {
         self.cached_head.write()
     }
 
     /// Access a read-lock for fork choice.
-    pub fn fork_choice_read_lock(&self) -> RwLockReadGuard<BeaconForkChoice<T>> {
+    pub fn fork_choice_read_lock(&self) -> RwLockReadGuard<'_, BeaconForkChoice<T>> {
         let _timer = metrics::start_timer(&metrics::FORK_CHOICE_READ_LOCK_AQUIRE_TIMES);
         self.fork_choice.read()
     }
 
     /// Access a write-lock for fork choice.
-    pub fn fork_choice_write_lock(&self) -> RwLockWriteGuard<BeaconForkChoice<T>> {
+    pub fn fork_choice_write_lock(&self) -> RwLockWriteGuard<'_, BeaconForkChoice<T>> {
         let _timer = metrics::start_timer(&metrics::FORK_CHOICE_WRITE_LOCK_AQUIRE_TIMES);
         self.fork_choice.write()
     }

beacon_node/beacon_chain/src/kzg_utils.rs

@@ -25,7 +25,7 @@ fn ssz_blob_to_crypto_blob_boxed<E: EthSpec>(blob: &Blob<E>) -> Result<Box<KzgBl
 
 /// Converts a cell ssz List object to an array to be used with the kzg
 /// crypto library.
-fn ssz_cell_to_crypto_cell<E: EthSpec>(cell: &Cell<E>) -> Result<KzgCellRef, KzgError> {
+fn ssz_cell_to_crypto_cell<E: EthSpec>(cell: &Cell<E>) -> Result<KzgCellRef<'_>, KzgError> {
     let cell_bytes: &[u8] = cell.as_ref();
     Ok(cell_bytes
         .try_into()