[DO NOT MERGE] Modify Clippy to show lintcheck diff

Author: xFrednet

clippy_lints/src/casts/unnecessary_cast.rs

@@ -52,7 +52,7 @@ pub(super) fn check<'tcx>(
             UNNECESSARY_CAST,
             expr.span,
             format!(
-                "casting raw pointers to the same type and constness is unnecessary (`{cast_from}` -> `{cast_to}`)"
+                "casting raw pointers to the same type and constness is unnecessary (`{cast_from}` -> `{cast_to}` :D)"
             ),
             "try",
             cast_str.clone(),
@@ -166,7 +166,7 @@ pub(super) fn check<'tcx>(
             cx,
             UNNECESSARY_CAST,
             expr.span,
-            format!("casting to the same type is unnecessary (`{cast_from}` -> `{cast_to}`)"),
+            format!("casting to the same type is unnecessary (`{cast_from}` -> `{cast_to}`) =^.^="),
             "try",
             if needs_block {
                 format!("{{ {cast_str} }}")
@@ -209,7 +209,7 @@ fn lint_unnecessary_cast(
         cx,
         UNNECESSARY_CAST,
         expr.span,
-        format!("casting {literal_kind_name} literal to `{cast_to}` is unnecessary"),
+        format!("casting {literal_kind_name} literal to `{cast_to}` is unnecessary UwU"),
         "try",
         sugg,
         Applicability::MachineApplicable,

clippy_lints/src/methods/cloned_instead_of_copied.rs

@@ -1,3 +1,4 @@
+#![expect(unused)]
 use clippy_config::msrvs::{self, Msrv};
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::is_trait_method;
@@ -19,13 +20,6 @@ pub fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, span: Span,
         {
             subst.type_at(0)
         },
-        _ if is_trait_method(cx, expr, sym::Iterator) && msrv.meets(msrvs::ITERATOR_COPIED) => {
-            match get_iterator_item_ty(cx, recv_ty) {
-                // <T as Iterator>::Item
-                Some(ty) => ty,
-                _ => return,
-            }
-        },
         _ => return,
     };
     match inner_ty.kind() {