error: type uses owned (Box type) pointers: std::boxed::Box<isize>
  --> $DIR/lint-owned-heap-memory.rs:6:5
   |
LL |     x: Box<isize>
   |     ^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/lint-owned-heap-memory.rs:2:11
   |
LL | #![forbid(box_pointers)]
   |           ^^^^^^^^^^^^

error: type uses owned (Box type) pointers: std::boxed::Box<isize>
  --> $DIR/lint-owned-heap-memory.rs:10:29
   |
LL |     let _x : Foo = Foo {x : box 10};
   |                             ^^^^^^

error: aborting due to 2 previous errors