error: use of a blacklisted/placeholder name `foo`
 --> $DIR/blacklisted_name.rs:9:9
  |
9 | fn test(foo: ()) {}
  |         ^^^
  |
note: lint level defined here
 --> $DIR/blacklisted_name.rs:7:9
  |
7 | #![deny(blacklisted_name)]
  |         ^^^^^^^^^^^^^^^^

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

error: use of a blacklisted/placeholder name `bar`
  --> $DIR/blacklisted_name.rs:13:9
   |
13 |     let bar = 42;
   |         ^^^

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

error: use of a blacklisted/placeholder name `foo`
  --> $DIR/blacklisted_name.rs:20:10
   |
20 |         (foo, Some(bar), baz @ Some(_)) => (),
   |          ^^^

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

error: use of a blacklisted/placeholder name `baz`
  --> $DIR/blacklisted_name.rs:20:26
   |
20 |         (foo, Some(bar), baz @ Some(_)) => (),
   |                          ^^^^^^^^^^^^^

error: aborting due to 7 previous errors