error[E0658]: attributes of the form `#[derive_*]` are reserved for the compiler (see issue #29644)
  --> $DIR/issue-32655.rs:16:9
   |
LL |         #[derive_Clone] //~ ERROR attributes of the form
   |         ^^^^^^^^^^^^^^^
...
LL | foo!();
   | ------- in this macro invocation
   |
   = help: add #![feature(custom_derive)] to the crate attributes to enable

error[E0658]: attributes of the form `#[derive_*]` are reserved for the compiler (see issue #29644)
  --> $DIR/issue-32655.rs:28:5
   |
LL |     #[derive_Clone] //~ ERROR attributes of the form
   |     ^^^^^^^^^^^^^^^
   |
   = help: add #![feature(custom_derive)] to the crate attributes to enable

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0658`.