error: internal compiler error: error performing operation: fully_perform
  --> $DIR/issue-80409.rs:49:30
   |
LL |     builder.state().on_entry(|_| {});
   |                              ^^^
   |
note: 
  --> $DIR/issue-80409.rs:49:30
   |
LL |     builder.state().on_entry(|_| {});
   |                              ^^^

query stack during panic:
end of query stack