message: Fix unused mut warning
diff: @@ -404,7 +404,7 @@ impl ModuleCodeGenerator<X64FunctionCode, X64ExecutionContext, CodegenError>
  mut self,
  _: &ModuleInfo,
  ) -> Result<(X64ExecutionContext, Box<dyn CacheGen>), CodegenError> {
  - let (mut assembler, function_labels, breakpoints) = match self.functions.last_mut() {
  + let (assembler, function_labels, breakpoints) = match self.functions.last_mut() {
  Some(x) => (
  x.assembler.take().unwrap(),
  x.function_labels.take().unwrap(),
  