1 error: lifetime may not live long enough
2 --> $DIR/where_clauses_in_structs.rs:11:11
4 LL | fn bar<'a, 'b>(x: Cell<&'a u32>, y: Cell<&'b u32>) {
5 | -- -- lifetime `'b` defined here
7 | lifetime `'a` defined here
9 | ^ this usage requires that `'a` must outlive `'b`
11 = help: consider adding the following bound: `'a: 'b`
12 = note: requirement occurs because of the type `Cell<&u32>`, which makes the generic argument `&u32` invariant
13 = note: the struct `Cell<T>` is invariant over the parameter `T`
14 = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
16 error: aborting due to previous error