error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements --> $DIR/regions-escape-method.rs:25:13 | LL | s.f(|p| p) //~ ERROR cannot infer | ^ | note: first, the lifetime cannot outlive the anonymous lifetime #2 defined on the body at 25:9... --> $DIR/regions-escape-method.rs:25:9 | LL | s.f(|p| p) //~ ERROR cannot infer | ^^^^^ = note: ...so that the expression is assignable: expected &i32 found &i32 note: but, the lifetime must be valid for the method call at 25:5... --> $DIR/regions-escape-method.rs:25:5 | LL | s.f(|p| p) //~ ERROR cannot infer | ^^^^^^^^^^ note: ...so that a type/lifetime parameter is in scope here --> $DIR/regions-escape-method.rs:25:5 | LL | s.f(|p| p) //~ ERROR cannot infer | ^^^^^^^^^^ error: aborting due to previous error For more information about this error, try `rustc --explain E0495`.