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error[E0038]: the trait `Trait` cannot be made into an object
--> tests/ui/no-attribute-macro.rs:12:12
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12 | let _: &dyn Trait;
| ^^^^^^^^^^ `Trait` cannot be made into an object
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note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> tests/ui/no-attribute-macro.rs:2:14
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1 | pub trait Trait {
| ----- this trait cannot be made into an object...
2 | async fn method(&self);
| ^^^^^^ ...because method `method` is `async`
= help: consider moving `method` to another trait
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