error: variant is never constructed: `Variant2`
  --> $DIR/lint-dead-code-5.rs:16:5
   |
LL |     Variant2 //~ ERROR: variant is never constructed
   |     ^^^^^^^^
   |
note: lint level defined here
  --> $DIR/lint-dead-code-5.rs:12:9
   |
LL | #![deny(dead_code)]
   |         ^^^^^^^^^

error: variant is never constructed: `Variant5`
  --> $DIR/lint-dead-code-5.rs:23:5
   |
LL |     Variant5 { _x: isize }, //~ ERROR: variant is never constructed: `Variant5`
   |     ^^^^^^^^^^^^^^^^^^^^^^

error: variant is never constructed: `Variant6`
  --> $DIR/lint-dead-code-5.rs:24:5
   |
LL |     Variant6(isize), //~ ERROR: variant is never constructed: `Variant6`
   |     ^^^^^^^^^^^^^^^

error: enum is never used: `Enum3`
  --> $DIR/lint-dead-code-5.rs:28:1
   |
LL | enum Enum3 { //~ ERROR: enum is never used
   | ^^^^^^^^^^

error: aborting due to 4 previous errors