error: named argument `world` is not used by name
  --> $DIR/sugg_with_positional_args_and_debug_fmt.rs:6:28
   |
LL |     println!("hello {:?}", world = "world");
   |                     ----   ^^^^^ this named argument is referred to by position in formatting string
   |                     |
   |                     this formatting argument uses named argument `world` by position
   |
note: the lint level is defined here
  --> $DIR/sugg_with_positional_args_and_debug_fmt.rs:3:9
   |
LL | #![deny(warnings)]
   |         ^^^^^^^^
   = note: `#[deny(named_arguments_used_positionally)]` implied by `#[deny(warnings)]`
help: use the named argument by name to avoid ambiguity
   |
LL |     println!("hello {world:?}", world = "world");
   |                      +++++

error: aborting due to previous error