error[E0275]: overflow evaluating the requirement `RootDatabase: SourceDatabase`
  --> $DIR/cycle-cache-err-60010.rs:27:5
   |
LL |     _parse: <ParseQuery as Query<RootDatabase>>::Data,
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: required because of the requirements on the impl of `Query<RootDatabase>` for `ParseQuery`

error[E0275]: overflow evaluating the requirement `RootDatabase: SourceDatabase`
  --> $DIR/cycle-cache-err-60010.rs:30:6
   |
LL | impl Database for RootDatabase {
   |      ^^^^^^^^
   |
   = note: required because of the requirements on the impl of `Query<RootDatabase>` for `ParseQuery`
   = note: required because it appears within the type `SalsaStorage`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0275`.