rustfmt: update config

Author: tzemanovic

rustfmt.toml

@@ -24,7 +24,7 @@ format_macro_matchers = true
 format_strings = true
 group_imports = "StdExternalCrate"
 hard_tabs = false
-hide_parse_errors = false
+show_parse_errors = true
 ignore = []
 imports_granularity = "Module"
 imports_indent = "Block"
@@ -45,7 +45,7 @@ remove_nested_parens = true
 reorder_impl_items = true
 reorder_imports = true
 reorder_modules = true
-required_version = "1.7.0"
+required_version = "1.7.1"
 skip_children = false
 space_after_colon = true
 space_before_colon = false