new rust version new clippy lints

src/common/leveltable.rs

@@ -1,9 +1,9 @@
 use std::fs::File;
 use serde_json::Value;
 use crate::entity::character::CharacterClass;
-use std::cell::LazyCell;
+use std::sync::LazyLock;
 
-pub const LEVEL_TABLE: LazyCell<CharacterLevelTable> = LazyCell::new(|| CharacterLevelTable::default());
+pub static LEVEL_TABLE: LazyLock<CharacterLevelTable> = LazyLock::new(CharacterLevelTable::default);
 
 #[derive(Default, Copy, Clone, Debug, PartialEq, Eq)]
 pub struct CharacterStats {

src/entity/gateway/postgres/postgres.rs

@@ -1,3 +1,6 @@
+// this lint is currently bugged and suggests incorrect code https://github.com/rust-lang/rust-clippy/issues/9123
+#![allow(clippy::explicit_auto_deref)]
+
 use std::convert::{From, TryFrom, Into};
 use futures::{Future, TryStreamExt};
 use async_std::stream::StreamExt;

src/ship/drops/rare_drop_table.rs

@@ -16,6 +16,7 @@ use crate::ship::drops::generic_weapon::AttributeTable;
 use crate::ship::drops::generic_armor::GenericArmorTable;
 use crate::ship::drops::generic_shield::GenericShieldTable;
 
+type ItemParseFn = Box<dyn Fn(&String) -> Option<RareDropItem>>;
 
 #[derive(Debug, Copy, Clone)]
 pub enum RareDropItem {
@@ -29,7 +30,7 @@ pub enum RareDropItem {
 
 impl RareDropItem {
     pub fn from_string(name: String) -> RareDropItem {
-        let parse_funcs: [Box<dyn Fn(&String) -> Option<RareDropItem>>; 6] = [
+        let parse_funcs: [ItemParseFn; 6] = [
             Box::new(|i| Some(RareDropItem::Weapon(str::parse::<WeaponType>(i).ok()?))),
             Box::new(|i| Some(RareDropItem::Armor(str::parse::<ArmorType>(i).ok()?))),
             Box::new(|i| Some(RareDropItem::Shield(str::parse::<ShieldType>(i).ok()?))),

src/ship/items/state.rs

@@ -330,7 +330,7 @@ impl<'a> ItemStateProxy<'a> {
         self.item_state.character_bank.extend(self.proxied_state.character_bank.clone());
         self.item_state.character_room.extend(self.proxied_state.character_room.clone());
         self.item_state.character_floor.extend(self.proxied_state.character_floor.clone());
-        self.item_state.room_floor.extend(self.proxied_state.room_floor.clone());
+        self.item_state.room_floor.extend(self.proxied_state.room_floor);
     }
 }
 

src/ship/trade.rs

@@ -123,7 +123,7 @@ impl TradeState {
             return Err(TradeStateError::MismatchedTrade(c1.client, c2.client));
         }
 
-        Ok(func(&mut *c1, &mut *c2))
+        Ok(func(&mut c1, &mut c2))
     }
 
     // TODO: is it possible for this to not return Options?