error[E0449]: unnecessary visibility qualifier
  --> $DIR/issue-29161.rs:5:9
   |
LL |         pub fn default() -> A {
   |         ^^^ `pub` not permitted here because it's implied

error[E0603]: struct `A` is private
  --> $DIR/issue-29161.rs:13:8
   |
LL |     a::A::default();
   |        ^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0449, E0603.
For more information about an error, try `rustc --explain E0449`.