error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:34:6
   |
LL |     *(u.p) = 13;
   |      ^^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: assignment to union field that might need dropping is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:39:5
   |
LL |     u.a = (RefCell::new(0), 1);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ assignment to union field that might need dropping
   |
   = note: the previous content of the field will be dropped, which causes undefined behavior if the field was not properly initialized

error[E0133]: assignment to union field that might need dropping is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:40:5
   |
LL |     u.a.0 = RefCell::new(0);
   |     ^^^^^^^^^^^^^^^^^^^^^^^ assignment to union field that might need dropping
   |
   = note: the previous content of the field will be dropped, which causes undefined behavior if the field was not properly initialized

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:47:6
   |
LL |     *u3.a = T::default();
   |      ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:53:6
   |
LL |     *u3.a = T::default();
   |      ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:61:13
   |
LL |     let a = u1.a;
   |             ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:64:14
   |
LL |     let U1 { a } = u1;
   |              ^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:65:8
   |
LL |     if let U1 { a: 12 } = u1 {}
   |        ^^^^^^^^^^^^^^^^^^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:70:6
   |
LL |     *u2.a = String::from("new");
   |      ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:74:6
   |
LL |     *u3.a = 1;
   |      ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/union-unsafe.rs:78:6
   |
LL |     *u3.a = String::from("new");
   |      ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error: aborting due to 11 previous errors

For more information about this error, try `rustc --explain E0133`.