error: field is never read: `f`
  --> $DIR/clone-debug-dead-code.rs:6:12
   |
LL | struct A { f: () }
   |            ^^^^^
   |
note: the lint level is defined here
  --> $DIR/clone-debug-dead-code.rs:4:11
   |
LL | #![forbid(dead_code)]
   |           ^^^^^^^^^

error: field is never read: `f`
  --> $DIR/clone-debug-dead-code.rs:10:12
   |
LL | struct B { f: () }
   |            ^^^^^

error: field is never read: `f`
  --> $DIR/clone-debug-dead-code.rs:14:12
   |
LL | struct C { f: () }
   |            ^^^^^

error: field is never read: `f`
  --> $DIR/clone-debug-dead-code.rs:18:12
   |
LL | struct D { f: () }
   |            ^^^^^

error: field is never read: `f`
  --> $DIR/clone-debug-dead-code.rs:21:12
   |
LL | struct E { f: () }
   |            ^^^^^

error: aborting due to 5 previous errors