| error[E0658]: non-builtin inner attributes are unstable | |
| --> $DIR/issue-36530.rs:9:5 | |
| | | |
| LL | #![foo] | |
| | ^^^^^^^ | |
| | | |
| = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information | |
| = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |