| |______`cell_a` escapes the function body here
| argument requires that `'a` must outlive `'static`
|
- = note: requirement occurs because of the type Cell<&'_#11r u32>, which makes the generic argument &'_#11r u32 invariant
- = note: the struct Cell<T> is invariant over the parameter T
+ = note: requirement occurs because of the type `Cell<&'_#11r u32>`, which makes the generic argument `&'_#11r u32` invariant
+ = note: the struct `Cell<T>` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
error: aborting due to previous error