error[E0255]: the name `A` is defined multiple times --> $DIR/issue-19498.rs:13:1 | 11 | use self::A; //~ NOTE previous import of the module `A` here | ------- previous import of the module `A` here 12 | use self::B; //~ NOTE previous import of the module `B` here 13 | mod A {} //~ ERROR the name `A` is defined multiple times | ^^^^^^^^ `A` redefined here | = note: `A` 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 | 11 | use self::A as OtherA; //~ NOTE previous import of the module `A` here | ^^^^^^^^^^^^^^^^^ error[E0255]: the name `B` is defined multiple times --> $DIR/issue-19498.rs:16:1 | 12 | use self::B; //~ NOTE previous import of the module `B` here | ------- previous import of the module `B` here ... 16 | pub mod B {} //~ ERROR the name `B` is defined multiple times | ^^^^^^^^^^^^ `B` redefined here | = note: `B` 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 | 12 | use self::B as OtherB; //~ NOTE previous import of the module `B` here | ^^^^^^^^^^^^^^^^^ error[E0255]: the name `D` is defined multiple times --> $DIR/issue-19498.rs:21:5 | 20 | use C::D; //~ NOTE previous import of the module `D` here | ---- previous import of the module `D` here 21 | mod D {} //~ ERROR the name `D` is defined multiple times | ^^^^^^^^ `D` redefined here | = note: `D` 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 | 20 | use C::D as OtherD; //~ NOTE previous import of the module `D` here | ^^^^^^^^^^^^^^ error: aborting due to 3 previous errors