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1 error[E0107]: missing generics for associated type `SuperTrait::SubType`
2   --> $DIR/issue-76535.rs:40:33
3    |
4 LL |     let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0));
5    |                                 ^^^^^^^ expected 1 lifetime argument
6    |
7 note: associated type defined here, with 1 lifetime parameter: `'a`
8   --> $DIR/issue-76535.rs:10:10
9    |
10 LL |     type SubType<'a>: SubTrait where Self: 'a;
11    |          ^^^^^^^ --
12 help: add missing lifetime argument
13    |
14 LL |     let sub: Box<dyn SuperTrait<SubType<'a> = SubStruct>> = Box::new(SuperStruct::new(0));
15    |                                 ~~~~~~~~~~~
16
17 error: aborting due to previous error
18
19 For more information about this error, try `rustc --explain E0107`.