error: use of a blacklisted/placeholder name `foo`
 --> $DIR/blacklisted_name.rs:7:9
  |
7 | fn test(foo: ()) {}
  |         ^^^
  |
  = note: `-D blacklisted-name` implied by `-D warnings`

error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:10:9
   |
10 |     let foo = 42;
   |         ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:11:9
   |
11 |     let bar = 42;
   |         ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:12:9
   |
12 |     let baz = 42;
   |         ^^^

error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:18:10
   |
18 |         (foo, Some(bar), baz @ Some(_)) => (),
   |          ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:18:20
   |
18 |         (foo, Some(bar), baz @ Some(_)) => (),
   |                    ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:18:26
   |
18 |         (foo, Some(bar), baz @ Some(_)) => (),
   |                          ^^^

error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:23:19
   |
23 | fn issue_1647(mut foo: u8) {
   |                   ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:24:13
   |
24 |     let mut bar = 0;
   |             ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:25:21
   |
25 |     if let Some(mut baz) = Some(42) {}
   |                     ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:29:13
   |
29 |     let ref bar = 0;
   |             ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:30:21
   |
30 |     if let Some(ref baz) = Some(42) {}
   |                     ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:34:17
   |
34 |     let ref mut bar = 0;
   |                 ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:35:25
   |
35 |     if let Some(ref mut baz) = Some(42) {}
   |                         ^^^