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error[E0038]: the trait `Qux` is not dyn compatible
--> $DIR/unsizing-wfcheck-issue-127299.rs:8:24
|
LL | pub desc: &'static dyn Qux,
| ^^^^^^^ `Qux` 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/unsizing-wfcheck-issue-127299.rs:4:8
|
LL | trait Qux {
| --- this trait is not dyn compatible...
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)`
= 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
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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` is not dyn compatible
--> $DIR/unsizing-wfcheck-issue-127299.rs:12:35
|
LL | static FOO: &Lint = &Lint { desc: "desc" };
| ^^^^^^ `Qux` 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/unsizing-wfcheck-issue-127299.rs:4:8
|
LL | trait Qux {
| --- this trait is not dyn compatible...
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 3 previous errors
Some errors have detailed explanations: E0038, E0277.
For more information about an error, try `rustc --explain E0038`.
|
