error[E0716]: temporary value dropped while borrowed
  --> $DIR/const-ptr-unique.rs:8:33
   |
LL |     let x: &'static *mut u32 = &(unique.as_ptr());
   |            -----------------    ^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
   |            |
   |            type annotation requires that borrow lasts for `'static`
LL |
LL | }
   | - temporary value is freed at the end of this statement

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0716`.