error[E0161]: cannot move a value of type (dyn Bar + 'static): the size of (dyn Bar + 'static) cannot be statically determined --> $DIR/object-safety-by-value-self-use.rs:15:5 | LL | t.bar() //~ ERROR cannot move a value of type (dyn Bar + 'static) | ^ error: aborting due to previous error For more information about this error, try `rustc --explain E0161`.