|  | error: `#[inline]` attribute cannot be used on crates | 
|  | --> $DIR/lint_on_root.rs:3:1 | 
|  | | | 
|  | LL | #![inline = ""] | 
|  | | ^^^^^^^^^^^^^^^ | 
|  | | | 
|  | = help: `#[inline]` can only be applied to functions | 
|  |  | 
|  | error: valid forms for the attribute are `#![inline(always)]`, `#![inline(never)]`, and `#![inline]` | 
|  | --> $DIR/lint_on_root.rs:3:1 | 
|  | | | 
|  | LL | #![inline = ""] | 
|  | | ^^^^^^^^^^^^^^^ | 
|  | | | 
|  | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | 
|  | = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571> | 
|  | = note: `#[deny(ill_formed_attribute_input)]` (part of `#[deny(future_incompatible)]`) on by default | 
|  |  | 
|  | error: aborting due to 2 previous errors | 
|  |  | 
|  | Future incompatibility report: Future breakage diagnostic: | 
|  | error: valid forms for the attribute are `#![inline(always)]`, `#![inline(never)]`, and `#![inline]` | 
|  | --> $DIR/lint_on_root.rs:3:1 | 
|  | | | 
|  | LL | #![inline = ""] | 
|  | | ^^^^^^^^^^^^^^^ | 
|  | | | 
|  | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | 
|  | = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571> | 
|  | = note: `#[deny(ill_formed_attribute_input)]` (part of `#[deny(future_incompatible)]`) on by default | 
|  |  |