1 error[E0623]: lifetime mismatch
2 --> $DIR/variance-cell-is-invariant.rs:14:25
4 LL | fn use_<'short,'long>(c: Foo<'short>,
5 | ----------- these two types are declared with different lifetimes...
9 LL | _where:Option<&'short &'long ()>) {
10 LL | let _: Foo<'long> = c;
11 | ^ ...but data from `c` flows into `l` here
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0623`.