| warning: trait objects without an explicit `dyn` are deprecated |
| --> $DIR/issue-116434-2015.rs:5:17 |
| | |
| LL | fn foo() -> Clone; |
| | ^^^^^ |
| | |
| = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! |
| = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html> |
| = note: `#[warn(bare_trait_objects)]` on by default |
| help: if this is a dyn-compatible trait, use `dyn` |
| | |
| LL | fn foo() -> dyn Clone; |
| | +++ |
| |
| warning: trait objects without an explicit `dyn` are deprecated |
| --> $DIR/issue-116434-2015.rs:5:17 |
| | |
| LL | fn foo() -> Clone; |
| | ^^^^^ |
| | |
| = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! |
| = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html> |
| = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` |
| help: if this is a dyn-compatible trait, use `dyn` |
| | |
| LL | fn foo() -> dyn Clone; |
| | +++ |
| |
| error[E0038]: the trait `Clone` is not dyn compatible |
| --> $DIR/issue-116434-2015.rs:5:17 |
| | |
| LL | fn foo() -> Clone; |
| | ^^^^^ `Clone` is not dyn compatible |
| | |
| = note: the trait is not dyn compatible because it requires `Self: Sized` |
| = note: for a trait to be dyn compatible it needs to allow building a vtable |
| for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> |
| help: you might have meant to use `Self` to refer to the implementing type |
| | |
| LL - fn foo() -> Clone; |
| LL + fn foo() -> Self; |
| | |
| help: there is an associated type with the same name |
| | |
| LL | fn foo() -> Self::Clone; |
| | ++++++ |
| |
| warning: trait objects without an explicit `dyn` are deprecated |
| --> $DIR/issue-116434-2015.rs:21:20 |
| | |
| LL | fn handle() -> DbHandle; |
| | ^^^^^^^^ |
| | |
| = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! |
| = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html> |
| help: if this is a dyn-compatible trait, use `dyn` |
| | |
| LL | fn handle() -> dyn DbHandle; |
| | +++ |
| |
| warning: trait objects without an explicit `dyn` are deprecated |
| --> $DIR/issue-116434-2015.rs:21:20 |
| | |
| LL | fn handle() -> DbHandle; |
| | ^^^^^^^^ |
| | |
| = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! |
| = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html> |
| = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` |
| help: if this is a dyn-compatible trait, use `dyn` |
| | |
| LL | fn handle() -> dyn DbHandle; |
| | +++ |
| |
| error[E0038]: the trait `DbHandle` is not dyn compatible |
| --> $DIR/issue-116434-2015.rs:21:20 |
| | |
| LL | fn handle() -> DbHandle; |
| | ^^^^^^^^ `DbHandle` is not dyn compatible |
| | |
| note: for a trait to be dyn compatible it needs to allow building a vtable |
| for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> |
| --> $DIR/issue-116434-2015.rs:17:17 |
| | |
| LL | trait DbHandle: Sized {} |
| | -------- ^^^^^ ...because it requires `Self: Sized` |
| | | |
| | this trait is not dyn compatible... |
| help: you might have meant to use `Self` to refer to the implementing type |
| | |
| LL - fn handle() -> DbHandle; |
| LL + fn handle() -> Self; |
| | |
| help: there is an associated type with the same name |
| | |
| LL | fn handle() -> Self::DbHandle; |
| | ++++++ |
| |
| error: aborting due to 2 previous errors; 4 warnings emitted |
| |
| For more information about this error, try `rustc --explain E0038`. |
