note: no external requirements
  --> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:39:47
   |
LL |     establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: defining type: supply::{closure#0} with closure args [
               i16,
               for<Region(BrAnon), Region(BrAnon), Region(BrAnon), Region(BrAnon), Region(BrAnon), Region(BrAnon)> extern "rust-call" fn((&'^0 std::cell::Cell<&'^1 &'?1 u32>, &'^2 std::cell::Cell<&'^3 &'?2 u32>, &'^4 std::cell::Cell<&'^1 u32>, &'^5 std::cell::Cell<&'^3 u32>)),
               (),
           ]
   = note: late-bound region is '?3
   = note: late-bound region is '?4

error: lifetime may not live long enough
  --> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:41:9
   |
LL |     establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
   |                                                ----------  ---------- has type `&'?8 Cell<&'2 &'?2 u32>`
   |                                                |
   |                                                has type `&'?6 Cell<&'1 &'?1 u32>`
LL |         // Only works if 'x: 'y:
LL |         demand_y(x, y, x.get())
   |         ^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'2`

note: no external requirements
  --> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:38:1
   |
LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: defining type: supply

error: aborting due to 1 previous error