syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if invalid_output_for_target(session, *crate_type) {
context_before:     base.retain(|crate_type| {
context_after:             session.dcx().emit_warn(errors::UnsupportedCrateTypeForTarget {