error[E0603]: static `FOO` is private
  --> tests/compile_fail/static_is_private.rs:13:31
   |
13 |     assert_eq!(*outer::inner::FOO, ());
   |                               ^^^ private static
   |
note: the static `FOO` is defined here
  --> tests/compile_fail/static_is_private.rs:6:9
   |
6  | /         lazy_static! {
7  | |             pub(in outer) static ref FOO: () = ();
8  | |         }
   | |_________^
   = note: this error originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)