Update cargo and rust

src/command_input.rs

@@ -76,11 +76,7 @@ impl CommandInput {
             }
         }
 
-        if tmp < 0 {
-            tmp = 0;
-        } else if tmp > self.len as isize {
-            tmp = self.len as isize;
-        }
+        tmp = tmp.clamp(0, self.len as isize);
         self.cursor = tmp as usize;
     }
 
@@ -254,6 +250,7 @@ impl CommandInput {
                         word_index += 1;
                     }
 
+                    #[allow(clippy::implicit_saturating_sub)]
                     if word_index > 0 {
                         word_index -= 1;
                     }

src/history_cleaner.rs

@@ -45,7 +45,7 @@ fn clean_temporary_files(mcfly_history: &Path, history_format: HistoryFormat, co
                 err
             )
         });
-        let paths = fs::read_dir(&expanded_path).unwrap();
+        let paths = fs::read_dir(expanded_path).unwrap();
 
         for entry in paths.flatten() {
             if let Some(file_name) = entry.path().file_name() {

src/interface.rs

@@ -254,10 +254,7 @@ impl<'a> Interface<'a> {
             write!(
                 screen,
                 "{}{}",
-                cursor::Goto(
-                    1,
-                    (command_line_index as i16 + result_top_index as i16) as u16
-                ),
+                cursor::Goto(1, (command_line_index + result_top_index as i16) as u16),
                 Interface::truncate_for_display(
                     command,
                     &self.input.command,
@@ -275,7 +272,7 @@ impl<'a> Interface<'a> {
                     "{}",
                     cursor::Goto(
                         width - 9,
-                        (command_line_index as i16 + result_top_index as i16) as u16
+                        (command_line_index + result_top_index as i16) as u16
                     )
                 )
                 .unwrap();

src/shell_history.rs

@@ -65,7 +65,7 @@ pub fn history_file_path() -> PathBuf {
         )
             }),
     );
-    fs::canonicalize(&path).unwrap_or_else(|err| {
+    fs::canonicalize(path).unwrap_or_else(|err| {
         panic!(
             "McFly error: The contents of $HISTFILE/$MCFLY_HISTFILE appears invalid ({})",
             err