error[E0509]: cannot move out of type `X`, which implements the `Drop` trait
  --> $DIR/disallowed-deconstructing-destructing-struct-let.rs:22:22
   |
LL |     let X { x: y } = x; //~ ERROR cannot move out of type
   |                -     ^ cannot move out of here
   |                |
   |                data moved here
   |
note: move occurs because `y` has type `std::string::String`, which does not implement the `Copy` trait
  --> $DIR/disallowed-deconstructing-destructing-struct-let.rs:22:16
   |
LL |     let X { x: y } = x; //~ ERROR cannot move out of type
   |                ^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0509`.