| error[E0038]: the trait `Qux` cannot be made into an object |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:8:24 |
| | |
| LL | pub desc: &'static dyn Qux, |
| | ^^^^^^^ `Qux` cannot be made into an object |
| | |
| note: for a trait to be "dyn-compatible" 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> |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 |
| | |
| LL | trait Qux { |
| | --- this trait cannot be made into an object... |
| LL | fn bar() -> i32; |
| | ^^^ ...because associated function `bar` has no `self` parameter |
| help: consider turning `bar` into a method by giving it a `&self` argument |
| | |
| LL | fn bar(&self) -> i32; |
| | +++++ |
| help: alternatively, consider constraining `bar` so it does not apply to trait objects |
| | |
| LL | fn bar() -> i32 where Self: Sized; |
| | +++++++++++++++++ |
| |
| error[E0277]: `(dyn Qux + 'static)` cannot be shared between threads safely |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:12:13 |
| | |
| LL | static FOO: &Lint = &Lint { desc: "desc" }; |
| | ^^^^^ `(dyn Qux + 'static)` cannot be shared between threads safely |
| | |
| = help: within `&'static Lint`, the trait `Sync` is not implemented for `(dyn Qux + 'static)`, which is required by `&'static Lint: Sync` |
| = note: required because it appears within the type `&'static (dyn Qux + 'static)` |
| note: required because it appears within the type `Lint` |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:7:12 |
| | |
| LL | pub struct Lint { |
| | ^^^^ |
| = note: required because it appears within the type `&'static Lint` |
| = note: shared static variables must have a type that implements `Sync` |
| |
| error[E0038]: the trait `Qux` cannot be made into an object |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:12:35 |
| | |
| LL | static FOO: &Lint = &Lint { desc: "desc" }; |
| | ^^^^^^ `Qux` cannot be made into an object |
| | |
| note: for a trait to be "dyn-compatible" 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> |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 |
| | |
| LL | trait Qux { |
| | --- this trait cannot be made into an object... |
| LL | fn bar() -> i32; |
| | ^^^ ...because associated function `bar` has no `self` parameter |
| = note: required for the cast from `&'static str` to `&'static (dyn Qux + 'static)` |
| help: consider turning `bar` into a method by giving it a `&self` argument |
| | |
| LL | fn bar(&self) -> i32; |
| | +++++ |
| help: alternatively, consider constraining `bar` so it does not apply to trait objects |
| | |
| LL | fn bar() -> i32 where Self: Sized; |
| | +++++++++++++++++ |
| |
| error[E0038]: the trait `Qux` cannot be made into an object |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:12:35 |
| | |
| LL | static FOO: &Lint = &Lint { desc: "desc" }; |
| | ^^^^^^ `Qux` cannot be made into an object |
| | |
| note: for a trait to be "dyn-compatible" 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> |
| --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 |
| | |
| LL | trait Qux { |
| | --- this trait cannot be made into an object... |
| LL | fn bar() -> i32; |
| | ^^^ ...because associated function `bar` has no `self` parameter |
| help: consider turning `bar` into a method by giving it a `&self` argument |
| | |
| LL | fn bar(&self) -> i32; |
| | +++++ |
| help: alternatively, consider constraining `bar` so it does not apply to trait objects |
| | |
| LL | fn bar() -> i32 where Self: Sized; |
| | +++++++++++++++++ |
| |
| error: aborting due to 4 previous errors |
| |
| Some errors have detailed explanations: E0038, E0277. |
| For more information about an error, try `rustc --explain E0038`. |