error: Expected `#[index_mut]` attribute on one field or a single-field struct
  --> tests/inc/index_mut/compiletime/struct.rs:4:1
   |
4  | / struct StructMultipleNamed< T >
5  | | {
6  | |   #[ index ]
7  | |   a : Vec< T >,
8  | |   #[ index ]
9  | |   b : Vec< T >,
10 | | }
   | |_^

error: cannot find attribute `index` in this scope
 --> tests/inc/index_mut/compiletime/struct.rs:6:6
  |
6 |   #[ index ]
  |      ^^^^^

error: cannot find attribute `index` in this scope
 --> tests/inc/index_mut/compiletime/struct.rs:8:6
  |
8 |   #[ index ]
  |      ^^^^^
