error[E0254]: the name `std` is defined multiple times --> $DIR/resolve-conflict-import-vs-extern-crate.rs:1:5 | LL | use std::slice as std; | ^^^^^^^^^^^^^^^^^ `std` reimported here | = note: `std` must be defined only once in the type namespace of this module help: you can use `as` to change the binding name of the import | LL | use std::slice as other_std; | ~~~~~~~~~~~~~~~~~~~~~~~ error: aborting due to previous error For more information about this error, try `rustc --explain E0254`.