Fix rust 1.70 lints (#2990)

boa_engine/src/bytecompiler/statement/continue.rs

@@ -19,10 +19,8 @@ impl ByteCompiler<'_, '_> {
             if let Some(node_label) = node.label() {
                 let items = self.jump_info.iter().rev().filter(|info| info.is_loop());
                 let mut emit_for_of_in_exit = 0_u32;
-                let mut loop_info = None;
                 for info in items {
                     if info.label() == Some(node_label) {
-                        loop_info = Some(info);
                         break;
                     }
 
@@ -31,8 +29,6 @@ impl ByteCompiler<'_, '_> {
                     }
                 }
 
-                loop_info.expect("Cannot use the undeclared label");
-
                 for _ in 0..emit_for_of_in_exit {
                     self.emit_opcode(Opcode::Pop);
                     self.emit_opcode(Opcode::Pop);
@@ -88,10 +84,8 @@ impl ByteCompiler<'_, '_> {
         } else if let Some(node_label) = node.label() {
             let items = self.jump_info.iter().rev().filter(|info| info.is_loop());
             let mut emit_for_of_in_exit = 0_u32;
-            let mut loop_info = None;
             for info in items {
                 if info.label() == Some(node_label) {
-                    loop_info = Some(info);
                     break;
                 }
 
@@ -100,8 +94,6 @@ impl ByteCompiler<'_, '_> {
                 }
             }
 
-            loop_info.expect("Cannot use the undeclared label");
-
             for _ in 0..emit_for_of_in_exit {
                 self.emit_opcode(Opcode::Pop);
                 self.emit_opcode(Opcode::Pop);

boa_engine/src/string/mod.rs

@@ -909,6 +909,8 @@ impl ToStringEscaped for [u16] {
             .collect()
     }
 }
+
+#[allow(clippy::redundant_clone)]
 #[cfg(test)]
 mod tests {
     use crate::tagged::UnwrappedTagged;

boa_engine/src/value/tests.rs

@@ -95,6 +95,7 @@ fn hash_value(value: &JsValue) -> u64 {
     hasher.finish()
 }
 
+#[allow(clippy::redundant_clone)]
 #[test]
 fn hash_undefined() {
     let value1 = JsValue::undefined();

boa_engine/src/vm/opcode/rest_parameter/mod.rs

@@ -24,7 +24,7 @@ impl Operation for RestParameterInit {
             for _ in 0..rest_count {
                 args.push(context.vm.pop());
             }
-            let array: _ = Array::create_array_from_list(args, context);
+            let array = Array::create_array_from_list(args, context);
 
             context.vm.push(array);
         } else {