Rollup merge of #35989 - 0xmohit:pr/error-code-E0453, r=jonathandturner

Update E0453 to new error format

Fixes #35929.
Part of #35233.

r? @jonathandturner

src/test/compile-fail-fulldeps/lint-plugin-forbid-attrs.rs

@@ -15,11 +15,13 @@
 #![plugin(lint_plugin_test)]
 #![forbid(test_lint)]
 //~^ NOTE lint level defined here
-//~| NOTE `forbid` lint level set here
+//~| NOTE `forbid` level set here
 
 fn lintme() { } //~ ERROR item is named 'lintme'
 
-#[allow(test_lint)] //~ ERROR allow(test_lint) overruled by outer forbid(test_lint)
+#[allow(test_lint)]
+//~^ ERROR allow(test_lint) overruled by outer forbid(test_lint)
+//~| NOTE overruled by previous forbid
 pub fn main() {
     lintme();
 }

src/test/compile-fail/E0453.rs

@@ -9,7 +9,10 @@
 // except according to those terms.
 
 #![forbid(non_snake_case)]
+//~^ NOTE `forbid` level set here
 
-#[allow(non_snake_case)] //~ ERROR E0453
+#[allow(non_snake_case)]
+//~^ ERROR allow(non_snake_case) overruled by outer forbid(non_snake_case)
+//~| NOTE overruled by previous forbid
 fn main() {
 }

src/test/compile-fail/lint-forbid-attr.rs

@@ -9,8 +9,10 @@
 // except according to those terms.
 
 #![forbid(deprecated)]
-//~^ NOTE `forbid` lint level set here
+//~^ NOTE `forbid` level set here
 
-#[allow(deprecated)] //~ ERROR allow(deprecated) overruled by outer forbid(deprecated)
+#[allow(deprecated)]
+//~^ ERROR allow(deprecated) overruled by outer forbid(deprecated)
+//~| NOTE overruled by previous forbid
 fn main() {
 }