src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr

   1 warning: not reporting region error due to nll
   2   --> $DIR/propagate-approximated-ref.rs:57:9
   3    |
   4 LL |         demand_y(x, y, x.get()) //~ WARNING not reporting region error due to nll
   5    |         ^^^^^^^^^^^^^^^^^^^^^^^
   6
   7 note: External requirements
   8   --> $DIR/propagate-approximated-ref.rs:53:47
   9    |
  10 LL |       establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
  11    |  _______________________________________________^
  12 LL | |         //~^ ERROR lifetime mismatch
  13 LL | |
  14 LL | |         // Only works if 'x: 'y:
  15 LL | |         demand_y(x, y, x.get()) //~ WARNING not reporting region error due to nll
  16 LL | |     });
  17    | |_____^
  18    |
  19    = note: defining type: DefId(0/1:18 ~ propagate_approximated_ref[317d]::supply[0]::{{closure}}[0]) with closure substs [
  20                i16,
  21                for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) u32>))
  22            ]
  23    = note: number of external vids: 5
  24    = note: where '_#1r: '_#2r
  25
  26 error[E0623]: lifetime mismatch
  27   --> $DIR/propagate-approximated-ref.rs:53:5
  28    |
  29 LL |   fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
  30    |                                  -------                -------
  31    |                                  |
  32    |                                  these two types are declared with different lifetimes...
  33 LL | /     establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
  34 LL | |         //~^ ERROR lifetime mismatch
  35 LL | |
  36 LL | |         // Only works if 'x: 'y:
  37 LL | |         demand_y(x, y, x.get()) //~ WARNING not reporting region error due to nll
  38 LL | |     });
  39    | |______^ ...but data from `cell_a` flows into `cell_b` here
  40
  41 note: No external requirements
  42   --> $DIR/propagate-approximated-ref.rs:52:1
  43    |
  44 LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
  45 LL | |     establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
  46 LL | |         //~^ ERROR lifetime mismatch
  47 LL | |
  48 ...  |
  49 LL | |     });
  50 LL | | }
  51    | |_^
  52    |
  53    = note: defining type: DefId(0/0:6 ~ propagate_approximated_ref[317d]::supply[0]) with substs []
  54
  55 error: aborting due to previous error
  56
  57 For more information about this error, try `rustc --explain E0623`.