error[E0310]: the parameter type `U` may not live long enough --> $DIR/dont-infer-static.rs:6:10 | LL | bar: Bar | ^^^^^^ ...so that the type `U` will meet its required lifetime bounds... | note: ...that is required by this bound --> $DIR/dont-infer-static.rs:8:15 | LL | struct Bar { | ^^^^^^^ help: consider adding an explicit lifetime bound... | LL | struct Foo { | +++++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0310`.