error[E0382]: use of moved value: `x`
  --> $DIR/union-move.rs:26:18
   |
LL | fn test1(x: U1) {
   |          - move occurs because `x` has type `U1`, which does not implement the `Copy` trait
...
LL |         move_out(x.f1_nocopy);
   |                  ----------- value moved here
LL |         move_out(x.f2_nocopy);
   |                  ^^^^^^^^^^^ value used here after move
   |
note: consider changing this parameter type in function `move_out` to borrow instead if owning the value isn't necessary
  --> $DIR/union-move.rs:7:19
   |
LL | fn move_out<T>(x: T) {}
   |    --------       ^ this parameter takes ownership of the value
   |    |
   |    in this function
note: if `U1` implemented `Clone`, you could clone the value
  --> $DIR/union-move.rs:9:1
   |
LL | union U1 {
   | ^^^^^^^^ consider implementing `Clone` for this type
...
LL |         move_out(x.f1_nocopy);
   |                  ----------- you could clone this value

error[E0382]: use of moved value: `x`
  --> $DIR/union-move.rs:42:18
   |
LL | fn test3(x: U1) {
   |          - move occurs because `x` has type `U1`, which does not implement the `Copy` trait
...
LL |         move_out(x.f2_nocopy);
   |                  ----------- value moved here
LL |         move_out(x.f3_copy);
   |                  ^^^^^^^^^ value used here after move
   |
note: consider changing this parameter type in function `move_out` to borrow instead if owning the value isn't necessary
  --> $DIR/union-move.rs:7:19
   |
LL | fn move_out<T>(x: T) {}
   |    --------       ^ this parameter takes ownership of the value
   |    |
   |    in this function
note: if `U1` implemented `Clone`, you could clone the value
  --> $DIR/union-move.rs:9:1
   |
LL | union U1 {
   | ^^^^^^^^ consider implementing `Clone` for this type
...
LL |         move_out(x.f2_nocopy);
   |                  ----------- you could clone this value

error[E0509]: cannot move out of type `U2`, which implements the `Drop` trait
  --> $DIR/union-move.rs:49:18
   |
LL |         move_out(x.f1_nocopy);
   |                  ^^^^^^^^^^^
   |                  |
   |                  cannot move out of here
   |                  move occurs because `x.f1_nocopy` has type `ManuallyDrop<RefCell<i32>>`, which does not implement the `Copy` trait
   |
help: consider cloning the value if the performance cost is acceptable
   |
LL |         move_out(x.f1_nocopy.clone());
   |                             ++++++++

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0382, E0509.
For more information about an error, try `rustc --explain E0382`.