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[rust.git] / src / test / ui / feature-gates / feature-gate-trait_upcasting.stderr
1 error[E0658]: cannot cast `dyn Bar` to `dyn Foo`, trait upcasting coercion is experimental
2   --> $DIR/feature-gate-trait_upcasting.rs:11:25
3    |
4 LL |     let foo: &dyn Foo = bar;
5    |                         ^^^
6    |
7    = note: see issue #65991 <https://github.com/rust-lang/rust/issues/65991> for more information
8    = help: add `#![feature(trait_upcasting)]` to the crate attributes to enable
9    = note: required when coercing `&dyn Bar` into `&dyn Foo`
10
11 error: aborting due to previous error
12
13 For more information about this error, try `rustc --explain E0658`.