error[E0277]: the size for values of type `dyn ToString` cannot be known at compilation time
  --> $DIR/issue-61525.rs:14:19
   |
LL |         1.query::<dyn ToString>("")
   |           -----   ^^^^^^^^^^^^ doesn't have a size known at compile-time
   |           |
   |           required by a bound introduced by this call
   |
   = help: the trait `Sized` is not implemented for `dyn ToString`
note: required by an implicit `Sized` bound in `Example::query`
  --> $DIR/issue-61525.rs:2:14
   |
LL |     fn query<Q>(self, q: Q);
   |              ^ required by the implicit `Sized` requirement on this type parameter in `Example::query`
help: consider relaxing the implicit `Sized` restriction
   |
LL |     fn query<Q: ?Sized>(self, q: Q);
   |               ++++++++

error[E0308]: mismatched types
  --> $DIR/issue-61525.rs:14:33
   |
LL |         1.query::<dyn ToString>("")
   |           --------------------- ^^ expected `dyn ToString`, found `&str`
   |           |
   |           arguments to this method are incorrect
   |
   = note: expected trait object `dyn ToString`
                 found reference `&'static str`
   = help: `&'static str` implements `ToString` so you could box the found value and coerce it to the trait object `Box<dyn ToString>`, you will have to change the expected type as well
note: method defined here
  --> $DIR/issue-61525.rs:2:8
   |
LL |     fn query<Q>(self, q: Q);
   |        ^^^^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0277, E0308.
For more information about an error, try `rustc --explain E0277`.