syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(TestOutput"}]}
source_snippet:             tcx.dcx().emit_err(TestOutput {
context_before:         for attr in tcx.get_attrs(def_id, DEF_PATH) {
context_after:                 span: attr.span(),