error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:11:9
   |
LL | fn test(foo: ()) {}
   |         ^^^
   |
   = note: `-D clippy::blacklisted-name` implied by `-D warnings`

error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:14:9
   |
LL |     let foo = 42;
   |         ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:15:9
   |
LL |     let bar = 42;
   |         ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:16:9
   |
LL |     let baz = 42;
   |         ^^^

error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:22:10
   |
LL |         (foo, Some(bar), baz @ Some(_)) => (),
   |          ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:22:20
   |
LL |         (foo, Some(bar), baz @ Some(_)) => (),
   |                    ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:22:26
   |
LL |         (foo, Some(bar), baz @ Some(_)) => (),
   |                          ^^^

error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:27:19
   |
LL | fn issue_1647(mut foo: u8) {
   |                   ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:28:13
   |
LL |     let mut bar = 0;
   |             ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:29:21
   |
LL |     if let Some(mut baz) = Some(42) {}
   |                     ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:33:13
   |
LL |     let ref bar = 0;
   |             ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:34:21
   |
LL |     if let Some(ref baz) = Some(42) {}
   |                     ^^^

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:38:17
   |
LL |     let ref mut bar = 0;
   |                 ^^^

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:39:25
   |
LL |     if let Some(ref mut baz) = Some(42) {}
   |                         ^^^

error: aborting due to 14 previous errors