| error[E0254]: the name `core` is defined multiple times | |
| --> $DIR/unresolved-extern-mod-suggestion.rs:2:5 | |
| | | |
| LL | extern crate core; | |
| | ------------------ previous import of the extern crate `core` here | |
| LL | use core; | |
| | ^^^^ `core` reimported here | |
| | | |
| = note: `core` must be defined only once in the type namespace of this module | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0254`. |