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 "object safe" 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 "object safe" 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 "object safe" 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`.