rust: Fix compiler warnings

src/data.rs

@@ -590,7 +590,7 @@ fn create_action<H: logging::Handler>(
         Text(String),
         Keysym(String),
         Modifier(Modifier),
-    };
+    }
     
     let submission = match (
         &symbol_meta.action,

src/submission.rs

@@ -149,7 +149,7 @@ impl Submission {
                 enum Outcome {
                     Submitted(Result<(), imservice::SubmitError>),
                     NotSubmitted,
-                };
+                }
 
                 let submit_outcome = match data {
                     SubmitData::Text(text) => {

src/tests.rs

@@ -43,7 +43,7 @@ pub fn check_layout_file(path: &str) {
 fn check_sym_in_keymap(state: &xkb::State, sym_name: &str) -> bool {
     let sym = xkb::keysym_from_name(sym_name, xkb::KEYSYM_NO_FLAGS);
     if sym == xkb::KEY_NoSymbol {
-        panic!(format!("Entered invalid keysym: {}", sym_name));
+        panic!("Entered invalid keysym: {}", sym_name);
     }
     let map = state.get_keymap();
     let range = map.min_keycode()..=map.max_keycode();