1 error[E0308]: mismatched types
2 --> $DIR/terr-sorts.rs:10:14
5 | ^ expected struct `Foo`, found struct `Box`
7 = note: expected struct `Foo`
8 found struct `Box<Foo>`
9 help: try dereferencing the `Box`
14 error: aborting due to previous error
16 For more information about this error, try `rustc --explain E0308`.