1 error[E0515]: cannot return value referencing temporary value
2 --> $DIR/borrowck-borrow-from-temporary.rs:10:5
4 LL | let &Foo(ref x) = &id(Foo(3));
5 | ---------- temporary value created here
7 | ^ returns a value referencing data owned by the current function
9 error: aborting due to 1 previous error
11 For more information about this error, try `rustc --explain E0515`.