error[E0308]: mismatched types
  --> $DIR/nested-item-spans.rs:9:22
   |
LL |         let x: u32 = "x";
   |                ---   ^^^ expected `u32`, found `&str`
   |                |
   |                expected due to this

error[E0308]: mismatched types
  --> $DIR/nested-item-spans.rs:18:22
   |
LL |         let x: u32 = "x";
   |                ---   ^^^ expected `u32`, found `&str`
   |                |
   |                expected due to this

error: aborting due to 2 previous errors

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