1 note: external requirements
2 --> $DIR/propagate-approximated-ref.rs:43:47
4 LL | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
5 | _______________________________________________^
6 LL | | // Only works if 'x: 'y:
7 LL | | demand_y(x, y, x.get())
12 = note: defining type: supply::{{closure}}#0 with closure substs [
14 for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed('r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed('s)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed('t0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed('t1)) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BrNamed('t2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed('s)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed('t3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed('t1)) u32>)),
16 = note: late-bound region is '_#3r
17 = note: late-bound region is '_#4r
18 = note: number of external vids: 5
19 = note: where '_#1r: '_#2r
21 note: no external requirements
22 --> $DIR/propagate-approximated-ref.rs:42:1
24 LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
25 LL | | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
26 LL | | // Only works if 'x: 'y:
27 LL | | demand_y(x, y, x.get())
33 = note: defining type: supply
35 error: lifetime may not live long enough
36 --> $DIR/propagate-approximated-ref.rs:45:9
38 LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
39 | -- -- lifetime `'b` defined here
41 | lifetime `'a` defined here
43 LL | demand_y(x, y, x.get())
44 | ^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'a` must outlive `'b`
46 = help: consider adding the following bound: `'a: 'b`
48 error: aborting due to previous error