error[E0658]: `?Trait` is not permitted in trait object types
  --> $DIR/maybe-bound.rs:5:15
   |
LL | type _0 = dyn ?Sized + Foo;
   |               ^^^^^^
   |
   = help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `?Trait` is not permitted in trait object types
  --> $DIR/maybe-bound.rs:8:21
   |
LL | type _1 = dyn Foo + ?Sized;
   |                     ^^^^^^
   |
   = help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `?Trait` is not permitted in trait object types
  --> $DIR/maybe-bound.rs:11:21
   |
LL | type _2 = dyn Foo + ?Sized + ?Sized;
   |                     ^^^^^^
   |
   = help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `?Trait` is not permitted in trait object types
  --> $DIR/maybe-bound.rs:11:30
   |
LL | type _2 = dyn Foo + ?Sized + ?Sized;
   |                              ^^^^^^
   |
   = help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `?Trait` is not permitted in trait object types
  --> $DIR/maybe-bound.rs:15:15
   |
LL | type _3 = dyn ?Sized + Foo;
   |               ^^^^^^
   |
   = help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0658`.