update test

tests/ui/def_id_nocore.rs

@@ -15,11 +15,12 @@ pub trait Copy {}
 pub unsafe trait Freeze {}
 
 #[lang = "start"]
-#[start]
-fn start(_argc: isize, _argv: *const *const u8) -> isize {
+fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8) -> isize {
     0
 }
 
+fn main() {}
+
 struct A;
 
 impl A {

tests/ui/def_id_nocore.stderr

@@ -1,5 +1,5 @@
 error: methods called `as_*` usually take `self` by reference or `self` by mutable reference
-  --> $DIR/def_id_nocore.rs:26:19
+  --> $DIR/def_id_nocore.rs:27:19
    |
 LL |     pub fn as_ref(self) -> &'static str {
    |                   ^^^^