| error[E0658]: The attribute `rustfmt::bar` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642) | |
| --> $DIR/tool-attributes-disabled-1.rs:14:1 | |
| | | |
| LL | #[rustfmt::bar] //~ ERROR The attribute `rustfmt::bar` is currently unknown to the compiler | |
| | ^^^^^^^^^^^^^^^ | |
| | | |
| = 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`. |