warning: enum is never used: `Enum`
  --> $DIR/unused-warning-point-at-signature.rs:5:1
   |
LL | enum Enum { //~ WARN enum is never used
   | ^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/unused-warning-point-at-signature.rs:3:9
   |
LL | #![warn(unused)]
   |         ^^^^^^
   = note: #[warn(dead_code)] implied by #[warn(unused)]

warning: struct is never constructed: `Struct`
  --> $DIR/unused-warning-point-at-signature.rs:12:1
   |
LL | struct Struct { //~ WARN struct is never constructed
   | ^^^^^^^^^^^^^

warning: function is never used: `func`
  --> $DIR/unused-warning-point-at-signature.rs:19:1
   |
LL | fn func() -> usize { //~ WARN function is never used
   | ^^^^^^^^^^^^^^^^^^

warning: function is never used: `func_complete_span`
  --> $DIR/unused-warning-point-at-signature.rs:23:1
   |
LL | / fn //~ WARN function is never used
LL | | func_complete_span()
LL | | -> usize
LL | | {
LL | |     3
LL | | }
   | |_^