{"ast_node_type":"variable","tokens":[{"end":45,"kind":"keyword","start":0,"text":"let"}]}
                let dummy_level = Level::Bug;
                // The level doesn't matter, `dummy_diag` is consumed without it being used.
                let dummy_diag: Diag<'_, ()> = e.into_diagnostic().into_diag(diag.dcx, dummy_level);