error[E0432]: unresolved import `spam`
  --> $DIR/import-from-missing-star.rs:1:5
   |
LL | use spam::*;
   |     ^^^^ you might be missing crate `spam`
   |
help: consider importing the `spam` crate
   |
LL + extern crate spam;
   |

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0432`.