1 error[E0658]: unless otherwise specified, attributes with the prefix `rustc_` are reserved for internal compiler diagnostics (see issue #29642)
2 --> $DIR/reserved-attr-on-macro.rs:1:3
4 LL | #[rustc_attribute_should_be_reserved] //~ ERROR attributes with the prefix `rustc_` are reserved
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 = help: add #![feature(rustc_attrs)] to the crate attributes to enable
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0658`.