src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr

   1 note: No external requirements
   2   --> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:35:47
   3    |
   4 LL |       establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
   5    |  _______________________________________________^
   6 LL | |         // Only works if 'x: 'y:
   7 LL | |         demand_y(x, y, x.get())
   8 LL | |
   9 LL | |     });
  10    | |_____^
  11    |
  12    = note: defining type: DefId(0:16 ~ propagate_fail_to_approximate_longer_no_bounds[317d]::supply[0]::{{closure}}[0]) with closure substs [
  13                i16,
  14                for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed('r)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed('s)) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BrNamed('t0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed('t1)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed('t2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed('s)) u32>)),
  15            ]
  16    = note: late-bound region is '_#2r
  17    = note: late-bound region is '_#3r
  18
  19 error: lifetime may not live long enough
  20   --> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:37:9
  21    |
  22 LL |     establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
  23    |                                                ---------  - has type `&'_#7r std::cell::Cell<&'1 u32>`
  24    |                                                |
  25    |                                                has type `&'_#5r std::cell::Cell<&'2 &'_#1r u32>`
  26 LL |         // Only works if 'x: 'y:
  27 LL |         demand_y(x, y, x.get())
  28    |         ^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'2`
  29
  30 note: No external requirements
  31   --> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:34:1
  32    |
  33 LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
  34 LL | |     establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
  35 LL | |         // Only works if 'x: 'y:
  36 LL | |         demand_y(x, y, x.get())
  37 LL | |
  38 LL | |     });
  39 LL | | }
  40    | |_^
  41    |
  42    = note: defining type: DefId(0:13 ~ propagate_fail_to_approximate_longer_no_bounds[317d]::supply[0]) with substs []
  43
  44 error: aborting due to previous error
  45