error: attributes cannot be applied to a function parameter's type
  --> $DIR/fn-arg-doc-comment.rs:14:12
   |
LL | fn bar(id: #[allow(dead_code)] i32) {}
   |            ^^^^^^^^^^^^^^^^^^^ attributes are not allowed here

error: documentation comments cannot be applied to function parameters
  --> $DIR/fn-arg-doc-comment.rs:2:5
   |
LL |     /// Comment
   |     ^^^^^^^^^^^ doc comments are not allowed here

error: documentation comments cannot be applied to function parameters
  --> $DIR/fn-arg-doc-comment.rs:7:5
   |
LL |     /// Other
   |     ^^^^^^^^^ doc comments are not allowed here

error[E0308]: arguments to this function are incorrect
  --> $DIR/fn-arg-doc-comment.rs:22:5
   |
LL |     f("", "");
   |     ^ --  -- expected `u8`, found `&str`
   |       |
   |       expected `u8`, found `&str`
   |
note: function defined here
  --> $DIR/fn-arg-doc-comment.rs:1:8
   |
LL |   pub fn f(
   |          ^
LL | /     /// Comment
LL | |
LL | |
LL | |
LL | |     id: u8,
   | |__________-
LL | /     /// Other
LL | |
LL | |
LL | |
LL | |     a: u8,
   | |_________-

error[E0308]: mismatched types
  --> $DIR/fn-arg-doc-comment.rs:26:9
   |
LL |     bar("");
   |     --- ^^ expected `i32`, found `&str`
   |     |
   |     arguments to this function are incorrect
   |
note: function defined here
  --> $DIR/fn-arg-doc-comment.rs:14:4
   |
LL | fn bar(id: #[allow(dead_code)] i32) {}
   |    ^^^ ---------------------------

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0308`.