1 error[E0310]: the parameter type `U` may not live long enough
2 --> $DIR/dont-infer-static.rs:8:5
5 | - help: consider adding an explicit lifetime bound...: `U: 'static`
7 | ^^^^^^^^^^^ ...so that the type `U` will meet its required lifetime bounds
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0310`.