move "lint level defined here" into secondary note

nikomatsakis · nikomatsakis · commit 49dfac487267 · 2016-05-02T11:49:25.000-04:00
It does not help you to understand the error, just explains why you are
seeing it, so it is clearly secondary.
diff --git a/src/librustc/lint/context.rs b/src/librustc/lint/context.rs
@@ -462,7 +462,7 @@ pub fn raw_struct_lint<'a>(sess: &'a Session,
 
     if let Some(span) = def {
         let explanation = "lint level defined here";
-        err = err.span_label(span, &explanation);
+        err.span_note(span, &explanation);
     }
 
     err

Original file line number	Diff line number	Diff line change
`@@ -462,7 +462,7 @@ pub fn raw_struct_lint<'a>(sess: &'a Session,`
`462`	`462`
`463`	`463`	`if let Some(span) = def {`
`464`	`464`	`let explanation = "lint level defined here";`
`465`		`- err = err.span_label(span, &explanation);`
	`465`	`+ err.span_note(span, &explanation);`
`466`	`466`	`}`
`467`	`467`
`468`	`468`	`err`