Clippy: Address issues

programs/mango-v4/src/instructions/register_token.rs

@@ -120,7 +120,7 @@ pub fn register_token(
         oracle: ctx.accounts.oracle.key(),
         bank: ctx.accounts.bank.key(),
         token_index,
-        address_lookup_table: address_lookup_table,
+        address_lookup_table,
         address_lookup_table_bank_index: alt_previous_size as u8,
         address_lookup_table_oracle_index: alt_previous_size as u8 + 1,
         reserved: Default::default(),

programs/mango-v4/src/instructions/serum3_place_order.rs

@@ -240,7 +240,7 @@ pub fn serum3_place_order(
     //
     let account = ctx.accounts.account.load()?;
     let health =
-        compute_health_from_fixed_accounts(&account, HealthType::Init, &ctx.remaining_accounts)?;
+        compute_health_from_fixed_accounts(&account, HealthType::Init, ctx.remaining_accounts)?;
     msg!("health: {}", health);
     require!(health >= 0, MangoError::HealthMustBePositive);
 

programs/mango-v4/src/instructions/withdraw.rs

@@ -105,7 +105,7 @@ pub fn withdraw(ctx: Context<Withdraw>, amount: u64, allow_borrow: bool) -> Resu
     // Health check
     //
     let health =
-        compute_health_from_fixed_accounts(&account, HealthType::Init, &ctx.remaining_accounts)?;
+        compute_health_from_fixed_accounts(&account, HealthType::Init, ctx.remaining_accounts)?;
     msg!("health: {}", health);
     require!(health >= 0, MangoError::HealthMustBePositive);
 

programs/mango-v4/src/state/health.rs

@@ -160,10 +160,10 @@ pub enum HealthType {
 /// Computes health for a mango account given a set of account infos
 ///
 /// These account infos must fit the fixed layout defined by FixedOrderAccountRetriever.
-pub fn compute_health_from_fixed_accounts<'a, 'b>(
+pub fn compute_health_from_fixed_accounts(
     account: &MangoAccount,
     health_type: HealthType,
-    ais: &'a [AccountInfo<'b>],
+    ais: &[AccountInfo],
 ) -> Result<I80F48> {
     let active_token_len = account.token_account_map.iter_active().count();
     let active_serum_len = account.serum3_account_map.iter_active().count();

programs/mango-v4/src/state/orderbook/book.rs

@@ -335,7 +335,7 @@ impl<'a> Book<'a> {
 
             let owner_slot = mango_account
                 .next_order_slot()
-                .ok_or(error!(MangoError::SomeError))?;
+                .ok_or_else(|| error!(MangoError::SomeError))?;
             let new_order = LeafNode::new(
                 owner_slot as u8,
                 order_id,