enable should_panic_without_expect lint

Cargo.toml

@@ -219,6 +219,7 @@ ref_patterns = "warn"
 rest_pat_in_fully_bound_structs = "warn"
 same_functions_in_if_condition = "warn"
 semicolon_if_nothing_returned = "warn"
+should_panic_without_expect = "warn"
 single_match_else = "warn"
 str_to_string = "warn"
 string_add = "warn"
@@ -257,9 +258,8 @@ zero_sized_map_values = "warn"
 iter_over_hash_type = "allow"
 let_underscore_untyped = "allow"
 missing_assert_message = "allow"
-should_panic_without_expect = "allow"
 too_many_lines = "allow"
-unwrap_used = "allow"                 # TODO(emilk): We really wanna warn on this one
+unwrap_used = "allow"            # TODO(emilk): We really wanna warn on this one
 
 manual_range_contains = "allow"       # this one is just worse imho
 self_named_module_files = "allow"     # Disabled waiting on https://github.com/rust-lang/rust-clippy/issues/9602

crates/epaint/src/mutex.rs

@@ -447,23 +447,23 @@ mod tests_rwlock {
     }
 
     #[test]
-    #[should_panic]
+    #[should_panic = "DEAD-LOCK DETECTED"]
     fn rwlock_write_write_reentrancy() {
         let one = RwLock::new(());
         let _a1 = one.write();
         let _a2 = one.write(); // panics
     }
 
     #[test]
-    #[should_panic]
+    #[should_panic = "DEAD-LOCK DETECTED"]
     fn rwlock_write_read_reentrancy() {
         let one = RwLock::new(());
         let _a1 = one.write();
         let _a2 = one.read(); // panics
     }
 
     #[test]
-    #[should_panic]
+    #[should_panic = "DEAD-LOCK DETECTED"]
     fn rwlock_read_write_reentrancy() {
         let one = RwLock::new(());
         let _a1 = one.read();
@@ -505,7 +505,7 @@ mod tests_rwlock {
     }
 
     #[test]
-    #[should_panic]
+    #[should_panic = "DEAD-LOCK DETECTED"]
     fn rwlock_read_foreign_read_write_reentrancy() {
         use std::sync::Arc;