track_caller tests account for incomplete feature warning.

Author: anp

src/test/ui/rfc-2091-track-caller/error-odd-syntax.rs

@@ -1,4 +1,4 @@
-#![feature(track_caller)]
+#![feature(track_caller)] //~ WARN the feature `track_caller` is incomplete
 
 #[track_caller(1)]
 fn f() {}

src/test/ui/rfc-2091-track-caller/error-odd-syntax.stderr

@@ -4,5 +4,13 @@ error: malformed `track_caller` attribute input
 LL | #[track_caller(1)]
    | ^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[track_caller]`
 
+warning: the feature `track_caller` is incomplete and may cause the compiler to crash
+  --> $DIR/error-odd-syntax.rs:1:12
+   |
+LL | #![feature(track_caller)]
+   |            ^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
 error: aborting due to previous error
 

src/test/ui/rfc-2091-track-caller/error-with-invalid-abi.rs

@@ -1,4 +1,4 @@
-#![feature(track_caller)]
+#![feature(track_caller)] //~ WARN the feature `track_caller` is incomplete
 
 #[track_caller]
 extern "C" fn f() {}

src/test/ui/rfc-2091-track-caller/error-with-invalid-abi.stderr

@@ -1,3 +1,11 @@
+warning: the feature `track_caller` is incomplete and may cause the compiler to crash
+  --> $DIR/error-with-invalid-abi.rs:1:12
+   |
+LL | #![feature(track_caller)]
+   |            ^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
 error[E0737]: rust ABI is required to use `#[track_caller]`
   --> $DIR/error-with-invalid-abi.rs:3:1
    |

src/test/ui/rfc-2091-track-caller/error-with-naked.rs

@@ -1,4 +1,4 @@
-#![feature(naked_functions, track_caller)]
+#![feature(naked_functions, track_caller)] //~ WARN the feature `track_caller` is incomplete
 
 #[track_caller]
 #[naked]

src/test/ui/rfc-2091-track-caller/error-with-naked.stderr

@@ -1,3 +1,11 @@
+warning: the feature `track_caller` is incomplete and may cause the compiler to crash
+  --> $DIR/error-with-naked.rs:1:29
+   |
+LL | #![feature(naked_functions, track_caller)]
+   |                             ^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
 error[E0736]: cannot use `#[track_caller]` with `#[naked]`
   --> $DIR/error-with-naked.rs:3:1
    |

src/test/ui/rfc-2091-track-caller/error-with-trait-fns.rs

@@ -1,4 +1,4 @@
-#![feature(track_caller)]
+#![feature(track_caller)] //~ WARN the feature `track_caller` is incomplete
 
 trait Trait {
     #[track_caller]

src/test/ui/rfc-2091-track-caller/error-with-trait-fns.stderr

@@ -1,3 +1,11 @@
+warning: the feature `track_caller` is incomplete and may cause the compiler to crash
+  --> $DIR/error-with-trait-fns.rs:1:12
+   |
+LL | #![feature(track_caller)]
+   |            ^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
 error[E0738]: `#[track_caller]` is not supported for trait items yet.
   --> $DIR/error-with-trait-fns.rs:4:5
    |

src/test/ui/rfc-2091-track-caller/only-for-fns.rs

@@ -1,4 +1,4 @@
-#![feature(track_caller)]
+#![feature(track_caller)] //~ WARN the feature `track_caller` is incomplete
 
 #[track_caller]
 struct S;

src/test/ui/rfc-2091-track-caller/only-for-fns.stderr

@@ -1,3 +1,11 @@
+warning: the feature `track_caller` is incomplete and may cause the compiler to crash
+  --> $DIR/only-for-fns.rs:1:12
+   |
+LL | #![feature(track_caller)]
+   |            ^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+
 error[E0735]: attribute should be applied to function
   --> $DIR/only-for-fns.rs:3:1
    |
@@ -8,4 +16,3 @@ LL | struct S;
 
 error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0735`.