unknown: make lint adhere to lint message convention

matthiaskrgr · matthiaskrgr · commit 7954c22a9927 · 2020-08-10T23:49:06.000+02:00
diff --git a/clippy_lints/src/utils/attrs.rs b/clippy_lints/src/utils/attrs.rs
@@ -75,7 +75,7 @@ pub fn get_attr<'a>(
                 })
                 .map_or_else(
                     || {
-                        sess.span_err(attr_segments[1].ident.span, "Usage of unknown attribute");
+                        sess.span_err(attr_segments[1].ident.span, "usage of unknown attribute");
                         false
                     },
                     |deprecation_status| {
diff --git a/tests/ui/unknown_attribute.stderr b/tests/ui/unknown_attribute.stderr
@@ -1,4 +1,4 @@
-error: Usage of unknown attribute
+error: usage of unknown attribute
   --> $DIR/unknown_attribute.rs:1:11
    |
 LL | #[clippy::unknown]

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-error: Usage of unknown attribute`
	`1`	`+error: usage of unknown attribute`
`2`	`2`	`--> $DIR/unknown_attribute.rs:1:11`
`3`	`3`	`\|`
`4`	`4`	`LL \| #[clippy::unknown]`