error[E0451]: field `x` of struct `foo::bar::S` is private
  --> $DIR/struct-literal-field.rs:28:9
   |
LL |     S { x: 0 }; //~ ERROR private
   |         ^^^^ field `x` is private

error: aborting due to previous error

For more information about this error, try `rustc --explain E0451`.