warning: use impl HasSpan instead of Span for more flexibility
 --> $DIR/not_using_has_span_trait.rs:5:29
  |
5 | pub fn blackjack(_: u32, _: &Span<'_>) {}
  |                             ^^^^^^^^^
  |
note: the lint level is defined here
 --> $DIR/not_using_has_span_trait.rs:1:26
  |
1 | #![cfg_attr(marker, warn(marker::marker_lints::not_using_has_span_trait))]
  |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: use impl HasSpan instead of Span for more flexibility
 --> $DIR/not_using_has_span_trait.rs:6:19
  |
6 | pub fn rampage(_: &marker_api::span::Span<'_>, _: bool) {}
  |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: 2 warnings emitted