1 error[E0560]: struct `NonCopyable` has no field named `p`
2 --> $DIR/issue-4736.rs:4:26
4 LL | let z = NonCopyable{ p: () };
5 | ^ help: a field with a similar name exists: `0`
7 error: aborting due to previous error
9 For more information about this error, try `rustc --explain E0560`.