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1 error[E0308]: mismatched types
2   --> $DIR/regions-infer-paramd-indirect.rs:22:18
3    |
4 LL |         self.f = b;
5    |                  ^ lifetime mismatch
6    |
7    = note: expected struct `std::boxed::Box<std::boxed::Box<&'a isize>>`
8               found struct `std::boxed::Box<std::boxed::Box<&isize>>`
9 note: the anonymous lifetime #2 defined on the method body at 21:5...
10   --> $DIR/regions-infer-paramd-indirect.rs:21:5
11    |
12 LL | /     fn set_f_bad(&mut self, b: Box<B>) {
13 LL | |         self.f = b;
14 LL | |
15 LL | |
16 LL | |
17 LL | |
18 LL | |     }
19    | |_____^
20 note: ...does not necessarily outlive the lifetime `'a` as defined on the impl at 16:6
21   --> $DIR/regions-infer-paramd-indirect.rs:16:6
22    |
23 LL | impl<'a> SetF<'a> for C<'a> {
24    |      ^^
25
26 error: aborting due to previous error
27
28 For more information about this error, try `rustc --explain E0308`.