warning: fields `a` and `b` are never read
  --> $DIR/issue-85255.rs:7:5
   |
LL | struct Foo {
   |        --- fields in this struct
LL |     a: i32,
   |     ^
LL |     pub b: i32,
   |         ^
   |
note: the lint level is defined here
  --> $DIR/issue-85255.rs:4:9
   |
LL | #![warn(dead_code)]
   |         ^^^^^^^^^

warning: fields `a` and `b` are never read
  --> $DIR/issue-85255.rs:19:5
   |
LL | pub(crate) struct Foo1 {
   |                   ---- fields in this struct
LL |     a: i32,
   |     ^
LL |     pub b: i32,
   |         ^

warning: fields `a` and `b` are never read
  --> $DIR/issue-85255.rs:31:5
   |
LL | pub(crate) struct Foo2 {
   |                   ---- fields in this struct
LL |     a: i32,
   |     ^
LL |     pub b: i32,
   |         ^

warning: method `a` is never used
  --> $DIR/issue-85255.rs:14:8
   |
LL |     fn a(&self) -> i32 { 5 }
   |        ^

warning: method `b` is never used
  --> $DIR/issue-85255.rs:15:12
   |
LL |     pub fn b(&self) -> i32 { 6 }
   |            ^

warning: method `a` is never used
  --> $DIR/issue-85255.rs:26:8
   |
LL |     fn a(&self) -> i32 { 5 }
   |        ^

warning: method `b` is never used
  --> $DIR/issue-85255.rs:27:12
   |
LL |     pub fn b(&self) -> i32 { 6 }
   |            ^

warning: method `a` is never used
  --> $DIR/issue-85255.rs:38:8
   |
LL |     fn a(&self) -> i32 { 5 }
   |        ^

warning: method `b` is never used
  --> $DIR/issue-85255.rs:39:12
   |
LL |     pub fn b(&self) -> i32 { 6 }
   |            ^

warning: 9 warnings emitted