perf(frontends/lean/elaborator): visit_structure_instance_fn: delay building error message
perf(frontends/lean/elaborator): visit_structure_instance_fn: delay building error message

leodemoura/lean,Kha/lean,leanprover-community/lean,leodemoura/lean,leanprover/lean,leanprover/lean,leanprover/lean,Kha/lean,digama0/lean,leanprover/lean,dselsam/lean,leodemoura/lean,Kha/lean,dselsam/lean,fpvandoorn/lean,Kha/lean,fpvandoorn/lean,fpvandoorn/lean,dselsam/lean,digama0/lean,dselsam/lean,leodemoura/lean,digama0/lean,Kha/lean,leodemoura/lean,fpvandoorn/lean,leanprover/lean,leanprover-community/lean,leodemoura/lean,digama0/lean,digama0/lean,dselsam/lean,leanprover-community/lean,fpvandoorn/lean,leanprover-community/lean,leanprover-community/lean,fpvandoorn/lean,Kha/lean,leanprover-community/lean,leanprover/lean,dselsam/lean,digama0/lean