error[E0658]: custom attributes cannot be applied to modules
  --> $DIR/attributes-on-modules-fail.rs:6:1
   |
LL | #[identity_attr]
   | ^^^^^^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/54727
   = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable

error: `derive` may only be applied to structs, enums and unions
  --> $DIR/attributes-on-modules-fail.rs:16:1
   |
LL | #[derive(Copy)]
   | ^^^^^^^^^^^^^^^

error[E0658]: non-inline modules in proc macro input are unstable
  --> $DIR/attributes-on-modules-fail.rs:20:1
   |
LL | mod module;
   | ^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/54727
   = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable

error[E0658]: non-inline modules in proc macro input are unstable
  --> $DIR/attributes-on-modules-fail.rs:24:5
   |
LL |     mod inner;
   |     ^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/54727
   = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable

error[E0658]: custom attributes cannot be applied to modules
  --> $DIR/attributes-on-modules-fail.rs:22:1
   |
LL | #[empty_attr]
   | ^^^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/54727
   = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable

error[E0412]: cannot find type `Y` in this scope
  --> $DIR/attributes-on-modules-fail.rs:10:14
   |
LL |     type A = Y;
   |     ---------^- similarly named type alias `A` defined here
   |
help: a type alias with a similar name exists
   |
LL |     type A = A;
   |              ^
help: possible candidate is found in another module, you can import it into scope
   |
LL |     use Y;
   |

error[E0412]: cannot find type `X` in this scope
  --> $DIR/attributes-on-modules-fail.rs:14:10
   |
LL | type A = X;
   | ---------^- similarly named type alias `A` defined here
   |
help: a type alias with a similar name exists
   |
LL | type A = A;
   |          ^
help: possible candidate is found in another module, you can import it into scope
   |
LL | use m::X;
   |

error: aborting due to 7 previous errors

Some errors have detailed explanations: E0412, E0658.
For more information about an error, try `rustc --explain E0412`.