Clean up rustfmt options, and format

rustfmt.toml

@@ -1,24 +1,21 @@
-max_width = 100
-hard_tabs = false
-tab_spaces = 4
-newline_style = "Unix"
-indent_style = "Block"
-format_strings = false
+blank_lines_lower_bound = 0
+blank_lines_upper_bound = 1
+brace_style = "SameLineWhere"
+disable_all_formatting = false
+edition = "2018"
 empty_item_single_line = true
 fn_single_line = false
-where_single_line = false
+force_explicit_abi = true
+format_strings = false
+hard_tabs = false
+hide_parse_errors = false
+imports_granularity = "Crate"
 imports_indent = "Block"
 imports_layout = "Mixed"
-fn_args_density = "Tall"
-brace_style = "SameLineWhere"
-trailing_comma = "Vertical"
-blank_lines_upper_bound = 1
-blank_lines_lower_bound = 0
-force_explicit_abi = true
-disable_all_formatting = false
+indent_style = "Block"
+max_width = 100
+newline_style = "Unix"
 skip_children = false
-hide_parse_errors = false
-report_todo = "Never"
-report_fixme = "Never"
-edition = "2018"
-merge_imports = true
+tab_spaces = 4
+trailing_comma = "Vertical"
+where_single_line = false

src/io/mod.rs

@@ -294,7 +294,9 @@ struct Guard<'a> {
 
 impl<'a> Drop for Guard<'a> {
     fn drop(&mut self) {
-        unsafe { self.buf.set_len(self.len); }
+        unsafe {
+            self.buf.set_len(self.len);
+        }
     }
 }