error: trait objects without an explicit `dyn` are deprecated --> $DIR/dyn-2018-edition-lint.rs:4:17 | LL | fn function(x: &SomeTrait, y: Box<SomeTrait>) { | ^^^^^^^^^ | = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> note: the lint level is defined here --> $DIR/dyn-2018-edition-lint.rs:2:8 | LL | #[deny(bare_trait_objects)] | ^^^^^^^^^^^^^^^^^^ help: use `dyn` | LL | fn function(x: &dyn SomeTrait, y: Box<SomeTrait>) { | +++ error: trait objects without an explicit `dyn` are deprecated --> $DIR/dyn-2018-edition-lint.rs:4:35 | LL | fn function(x: &SomeTrait, y: Box<SomeTrait>) { | ^^^^^^^^^ | = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> help: use `dyn` | LL | fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) { | +++ error: trait objects without an explicit `dyn` are deprecated --> $DIR/dyn-2018-edition-lint.rs:17:14 | LL | let _x: &SomeTrait = todo!(); | ^^^^^^^^^ | = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> help: use `dyn` | LL | let _x: &dyn SomeTrait = todo!(); | +++ error: trait objects without an explicit `dyn` are deprecated --> $DIR/dyn-2018-edition-lint.rs:4:17 | LL | fn function(x: &SomeTrait, y: Box<SomeTrait>) { | ^^^^^^^^^ | = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> help: use `dyn` | LL | fn function(x: &dyn SomeTrait, y: Box<SomeTrait>) { | +++ error: trait objects without an explicit `dyn` are deprecated --> $DIR/dyn-2018-edition-lint.rs:4:17 | LL | fn function(x: &SomeTrait, y: Box<SomeTrait>) { | ^^^^^^^^^ | = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> help: use `dyn` | LL | fn function(x: &dyn SomeTrait, y: Box<SomeTrait>) { | +++ error: trait objects without an explicit `dyn` are deprecated --> $DIR/dyn-2018-edition-lint.rs:4:35 | LL | fn function(x: &SomeTrait, y: Box<SomeTrait>) { | ^^^^^^^^^ | = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> help: use `dyn` | LL | fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) { | +++ error: trait objects without an explicit `dyn` are deprecated --> $DIR/dyn-2018-edition-lint.rs:4:35 | LL | fn function(x: &SomeTrait, y: Box<SomeTrait>) { | ^^^^^^^^^ | = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> help: use `dyn` | LL | fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) { | +++ error: aborting due to 7 previous errors