src/test/ui/proc-macro/expand-to-unstable.stderr - third_party/rust - Git at Google

 error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
   --> $DIR/expand-to-unstable.rs:8:10
    |
 LL | #[derive(Unstable)]
    |          ^^^^^^^^
    |
    = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable

 error: aborting due to previous error

 For more information about this error, try `rustc --explain E0658`.
	error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
	--> $DIR/expand-to-unstable.rs:8:10
	\|
	LL \| #[derive(Unstable)]
	\| ^^^^^^^^
	\|
	= help: add `#![feature(core_intrinsics)]` to the crate attributes to enable

	error: aborting due to previous error

	For more information about this error, try `rustc --explain E0658`.