skip the uninhabitated check and comments

src/test/ui/lint/must_not_suspend/boxed.rs

@@ -17,7 +17,7 @@ fn bar() -> Box<Umm> {
 async fn other() {}
 
 pub async fn uhoh() {
-    let _guard = bar(); //~ boxed `Umm` held across
+    let _guard = bar(); //~ ERROR boxed `Umm` held across
     other().await;
 }
 

src/test/ui/lint/must_not_suspend/feature-gate-must_not_suspend.rs

@@ -1,6 +1,6 @@
 // edition:2018
 
-#[must_not_suspend = "You gotta use Umm's, ya know?"] //~ the `#[must_not_suspend]`
+#[must_not_suspend = "You gotta use Umm's, ya know?"] //~ ERROR the `#[must_not_suspend]`
 struct Umm {
     _i: i64
 }

src/test/ui/lint/must_not_suspend/other_items.rs

@@ -0,0 +1,8 @@
+// edition:2018
+#![feature(must_not_suspend)]
+#![deny(must_not_suspend)]
+
+#[must_not_suspend] //~ ERROR attribute should be
+mod inner {}
+
+fn main() {}

src/test/ui/lint/must_not_suspend/other_items.stderr

@@ -0,0 +1,10 @@
+error: `must_not_suspend` attribute should be applied to a struct, enum, or trait
+  --> $DIR/other_items.rs:5:1
+   |
+LL | #[must_not_suspend]
+   | ^^^^^^^^^^^^^^^^^^^
+LL | mod inner {}
+   | ------------ is not a struct, enum, or trait
+
+error: aborting due to previous error
+

src/test/ui/lint/must_not_suspend/return.rs

@@ -2,7 +2,7 @@
 #![feature(must_not_suspend)]
 #![deny(must_not_suspend)]
 
-#[must_not_suspend] //~ attribute should be
+#[must_not_suspend] //~ ERROR attribute should be
 fn foo() -> i32 {
     0
 }

src/test/ui/lint/must_not_suspend/return.stderr

@@ -1,4 +1,4 @@
-error: `must_not_suspend` attribute should be applied to a struct, enum, `impl Trait`, or `dyn Trait`
+error: `must_not_suspend` attribute should be applied to a struct, enum, or trait
   --> $DIR/return.rs:5:1
    |
 LL |   #[must_not_suspend]
@@ -6,7 +6,7 @@ LL |   #[must_not_suspend]
 LL | / fn foo() -> i32 {
 LL | |     0
 LL | | }
-   | |_- is a function
+   | |_- is not a struct, enum, or trait
 
 error: aborting due to previous error
 

src/test/ui/lint/must_not_suspend/trait.rs

@@ -18,8 +18,8 @@ fn r#dyn() -> Box<dyn Wow> {
 async fn other() {}
 
 pub async fn uhoh() {
-    let _guard1 = r#impl(); //~ implementer of `Wow` held across
-    let _guard2 = r#dyn(); //~ boxed `Wow` trait object held across
+    let _guard1 = r#impl(); //~ ERROR implementer of `Wow` held across
+    let _guard2 = r#dyn(); //~ ERROR boxed `Wow` trait object held across
 
     other().await;
 }

src/test/ui/lint/must_not_suspend/unit.rs

@@ -17,7 +17,7 @@ fn bar() -> Umm {
 async fn other() {}
 
 pub async fn uhoh() {
-    let _guard = bar(); //~ `Umm` held across
+    let _guard = bar(); //~ ERROR `Umm` held across
     other().await;
 }
 

src/test/ui/lint/must_not_suspend/warn.rs

@@ -17,7 +17,7 @@ fn bar() -> Umm {
 async fn other() {}
 
 pub async fn uhoh() {
-    let _guard = bar(); //~ `Umm` held across
+    let _guard = bar(); //~ WARNING `Umm` held across
     other().await;
 }