syntax_data: {"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(PathMustEndInFilename"}]}
source_snippet:                                 tcx.dcx().emit_err(PathMustEndInFilename { span: attr.span() });
context_before:                             None => {
context_after:                                 Err(())