error: unexpected token
 --> tests/compile-fail/tracked_impl_incompatibles.rs:6:18
  |
6 | #[salsa::tracked(return_ref)]
  |                  ^^^^^^^^^^

error: unexpected token
  --> tests/compile-fail/tracked_impl_incompatibles.rs:11:18
   |
11 | #[salsa::tracked(specify)]
   |                  ^^^^^^^

error: unexpected token
  --> tests/compile-fail/tracked_impl_incompatibles.rs:16:18
   |
16 | #[salsa::tracked(no_eq)]
   |                  ^^^^^

error: unexpected token
  --> tests/compile-fail/tracked_impl_incompatibles.rs:21:18
   |
21 | #[salsa::tracked(data = Data)]
   |                  ^^^^

error: unexpected token
  --> tests/compile-fail/tracked_impl_incompatibles.rs:26:18
   |
26 | #[salsa::tracked(db = Db)]
   |                  ^^

error: unexpected token
  --> tests/compile-fail/tracked_impl_incompatibles.rs:31:18
   |
31 | #[salsa::tracked(recover_fn = recover)]
   |                  ^^^^^^^^^^

error: unexpected token
  --> tests/compile-fail/tracked_impl_incompatibles.rs:36:18
   |
36 | #[salsa::tracked(lru = 32)]
   |                  ^^^

error: unexpected token
  --> tests/compile-fail/tracked_impl_incompatibles.rs:41:18
   |
41 | #[salsa::tracked(constructor = Constructor)]
   |                  ^^^^^^^^^^^

error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
  --> tests/compile-fail/tracked_impl_incompatibles.rs:47:1
   |
47 | impl<'db> std::default::Default for [MyTracked<'db>; 12] {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--------------------
   | |                                   |
   | |                                   this is not defined in the current crate because arrays are always foreign
   | impl doesn't use only types from inside the current crate
   |
   = note: define and implement a trait or new type instead

error[E0308]: mismatched types
  --> tests/compile-fail/tracked_impl_incompatibles.rs:48:21
   |
48 |     fn default() -> Self {}
   |        -------      ^^^^ expected `[MyTracked<'_>; 12]`, found `()`
   |        |
   |        implicitly returns `()` as its body has no tail or `return` expression
   |
   = note:  expected array `[MyTracked<'db>; 12]`
           found unit type `()`