error[E0412]: cannot find type `T` in this scope
  --> $DIR/bad-params.rs:3:34
   |
LL | fn missing() -> impl Sized + use<T> {}
   |                                  ^ not found in this scope
   |
help: you might be missing a type parameter
   |
LL | fn missing<T>() -> impl Sized + use<T> {}
   |           +++

error[E0411]: cannot find type `Self` in this scope
  --> $DIR/bad-params.rs:6:39
   |
LL | fn missing_self() -> impl Sized + use<Self> {}
   |    ------------                       ^^^^ `Self` is only available in impls, traits, and type definitions
   |    |
   |    `Self` not allowed in a function

error: `Self` can't be captured in `use<...>` precise captures list, since it is an alias
  --> $DIR/bad-params.rs:11:48
   |
LL | impl MyType {
   | ----------- `Self` is not a generic argument, but an alias to the type of the implementation
LL |     fn self_is_not_param() -> impl Sized + use<Self> {}
   |                                                ^^^^

error: expected type or const parameter in `use<...>` precise captures list, found function
  --> $DIR/bad-params.rs:15:32
   |
LL | fn hello() -> impl Sized + use<hello> {}
   |                                ^^^^^

error: aborting due to 4 previous errors

Some errors have detailed explanations: E0411, E0412.
For more information about an error, try `rustc --explain E0411`.