1 error[E0428]: the name `MyStruct` is defined multiple times
2 --> $DIR/cross-crate-redefine.rs:10:1
4 LL | my_struct!(define);
5 | ^^^^^^^^^^^^^^^^^^ `MyStruct` redefined here
7 LL | my_struct!(define);
8 | ------------------ previous definition of the type `MyStruct` here
10 = note: `MyStruct` must be defined only once in the type namespace of this module
11 = note: this error originates in the macro `my_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0428`.