error[E0734]: stability attributes may not be used outside of the standard library
  --> $DIR/issue-43106-gating-of-unstable.rs:14:9
   |
LL |         #![unstable()]
   |         ^^^^^^^^^^^^^^

error[E0734]: stability attributes may not be used outside of the standard library
  --> $DIR/issue-43106-gating-of-unstable.rs:18:5
   |
LL |     #[unstable()]
   |     ^^^^^^^^^^^^^

error[E0734]: stability attributes may not be used outside of the standard library
  --> $DIR/issue-43106-gating-of-unstable.rs:22:5
   |
LL |     #[unstable()]
   |     ^^^^^^^^^^^^^

error[E0734]: stability attributes may not be used outside of the standard library
  --> $DIR/issue-43106-gating-of-unstable.rs:26:5
   |
LL |     #[unstable()]
   |     ^^^^^^^^^^^^^

error[E0734]: stability attributes may not be used outside of the standard library
  --> $DIR/issue-43106-gating-of-unstable.rs:30:5
   |
LL |     #[unstable()]
   |     ^^^^^^^^^^^^^

error[E0734]: stability attributes may not be used outside of the standard library
  --> $DIR/issue-43106-gating-of-unstable.rs:10:1
   |
LL | #[unstable()]
   | ^^^^^^^^^^^^^

error[E0734]: stability attributes may not be used outside of the standard library
  --> $DIR/issue-43106-gating-of-unstable.rs:7:1
   |
LL | #![unstable()]
   | ^^^^^^^^^^^^^^

error: aborting due to 7 previous errors

For more information about this error, try `rustc --explain E0734`.