updated deps

fixed clippy remarks

src/artifacts.rs

@@ -36,10 +36,15 @@ impl Artifact for Chest {
         ("C", Color::Blue)
     }
 
-    fn get_immutable_position(&self) -> &Position { &self.position }
+    fn get_immutable_position(&self) -> &Position {
+        &self.position
+    }
     fn collect(&mut self, player: &mut Player, messages: &mut Vec<String>) {
         player.retrieve_gold(self.gold);
-        messages.insert(0, format!("opened chest and collected {} gold.", self.gold).to_string());
+        messages.insert(
+            0,
+            format!("opened chest and collected {} gold.", self.gold).to_string(),
+        );
         self.gold = 0;
     }
 
@@ -67,21 +72,29 @@ impl Artifact for Potion {
     fn get_representation(&self) -> (&str, Color) {
         ("P", Color::Green)
     }
-    fn get_immutable_position(&self) -> &Position { &self.position }
+    fn get_immutable_position(&self) -> &Position {
+        &self.position
+    }
     fn collect(&mut self, player: &mut Player, messages: &mut Vec<String>) {
         // only consume potion of the player can gain at least one health point
         if !player.is_healthy() {
             let old = player.get_life();
             player.change_life(self.health.try_into().unwrap());
             let new = player.get_life();
-            messages.insert(0, format!("picked up potion and gained {} hp.", new - old).to_string());
+            messages.insert(
+                0,
+                format!("picked up potion and gained {} hp.", new - old).to_string(),
+            );
             self.health = 0;
         } else {
-            messages.insert(0, "not using the potion because you're healthy.".to_string());
+            messages.insert(
+                0,
+                "not using the potion because you're healthy.".to_string(),
+            );
         }
     }
 
     fn was_collected(&self) -> bool {
         self.health == 0
     }
-}
+}