tests/rustdoc-ui/proc_macro_bug.stderr - toolchain/rustc - Git at Google

 error: the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` crate type
   --> $DIR/proc_macro_bug.rs:8:1
    |
 LL | #[proc_macro_derive(DeriveA)]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

 error: aborting due to 1 previous error
	error: the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` crate type
	--> $DIR/proc_macro_bug.rs:8:1
	\|
	LL \| #[proc_macro_derive(DeriveA)]
	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

	error: aborting due to 1 previous error