1 error[E0432]: unresolved import `a::b1::C1`
2 --> $DIR/use-nested-groups-error.rs:9:14
4 LL | use a::{b1::{C1, C2}, B2};
8 | help: a similar name exists in the module: `C2`
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0432`.