syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:     for span in v.adts_with_manual_partialeq {
context_before:     #[allow(rustc::potential_query_instability)] // Span labels will be sorted by the rendering
context_after:         err.span_note(span, "the `PartialEq` trait must be derived, manual `impl`s are not sufficient; see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details");