error: lifetime may not live long enough --> $DIR/regions-infer-paramd-indirect.rs:22:9 | LL | impl<'a> SetF<'a> for C<'a> { | -- lifetime `'a` defined here ... LL | fn set_f_bad(&mut self, b: Box) { | - has type `Box>` LL | self.f = b; | ^^^^^^ assignment requires that `'1` must outlive `'a` error: aborting due to previous error