1 warning: trait objects without an explicit `dyn` are deprecated
2 --> $DIR/force-warn-group.rs:8:25
4 LL | pub fn function(_x: Box<SomeTrait>) {}
5 | ^^^^^^^^^ help: use `dyn`: `dyn SomeTrait`
7 = note: `--force-warns bare-trait-objects` implied by `--force-warns rust-2018-idioms`
8 = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
9 = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
11 warning: 1 warning emitted