error: field `1` is never read --> $DIR/tuple-struct-field.rs:8:26 | LL | struct SingleUnused(i32, [u8; LEN], String); | ------------ ^^^^^^^^^ | | | field in this struct | note: the lint level is defined here --> $DIR/tuple-struct-field.rs:1:9 | LL | #![deny(unused_tuple_struct_fields)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | LL | struct SingleUnused(i32, (), String); | ~~ error: fields `0`, `1`, `2`, and `3` are never read --> $DIR/tuple-struct-field.rs:13:23 | LL | struct MultipleUnused(i32, f32, String, u8); | -------------- ^^^ ^^^ ^^^^^^ ^^ | | | fields in this struct | help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields | LL | struct MultipleUnused((), (), (), ()); | ~~ ~~ ~~ ~~ error: aborting due to 2 previous errors