src/test/ui/proc-macro/derive-still-gated.stderr - third_party/rust - Git at Google

 error[E0658]: The attribute `derive_A` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
   --> $DIR/derive-still-gated.rs:8:3
    |
 LL | #[derive_A] //~ ERROR attribute `derive_A` is currently unknown
    |   ^^^^^^^^
    |
    = help: add #![feature(custom_attribute)] to the crate attributes to enable

 error: aborting due to previous error

 For more information about this error, try `rustc --explain E0658`.
	error[E0658]: The attribute `derive_A` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
	--> $DIR/derive-still-gated.rs:8:3
	\|
	LL \| #[derive_A] //~ ERROR attribute `derive_A` is currently unknown
	\| ^^^^^^^^
	\|
	= help: add #![feature(custom_attribute)] to the crate attributes to enable

	error: aborting due to previous error

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