error: field is never used: `c`
  --> $DIR/union-fields.rs:16:5
   |
16 |     c: u8, // should be reported
   |     ^^^^^
   |
note: lint level defined here
  --> $DIR/union-fields.rs:11:9
   |
11 | #![deny(dead_code)]
   |         ^^^^^^^^^

error: field is never used: `a`
  --> $DIR/union-fields.rs:19:5
   |
19 |     a: u8, // should be reported
   |     ^^^^^

error: field is never used: `a`
  --> $DIR/union-fields.rs:23:20
   |
23 | union NoDropLike { a: u8 } // should be reported as unused
   |                    ^^^^^

error: field is never used: `c`
  --> $DIR/union-fields.rs:28:5
   |
28 |     c: u8, // should be reported
   |     ^^^^^

error: aborting due to 4 previous errors