cargo fmt

rustfmt.toml

@@ -10,7 +10,7 @@ format_macro_bodies             = true
 format_strings                  = true
 inline_attribute_width          = 80
 max_width                       = 120
-merge_imports                   = true
+imports_granularity             = "Crate"
 normalize_doc_attributes        = true
 reorder_impl_items              = true
 reorder_imports                 = true