error[E0658]: allow_internal_unstable side-steps feature gating and stability checks --> $DIR/issue-32782.rs:7:9 | LL | #[allow_internal_unstable] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | foo!(); | ------- in this macro invocation | = help: add #![feature(allow_internal_unstable)] to the crate attributes to enable error: aborting due to previous error For more information about this error, try `rustc --explain E0658`.