Have rustfmt overwrite; git has our back(ups)

carols10cents · carols10cents · commit 51cddd9c6bc8 · 2017-06-13T12:43:43.000-04:00
diff --git a/.rustfmt.toml b/.rustfmt.toml
@@ -8,3 +8,5 @@ combine_control_expr = true
 fn_args_paren_newline = false
 max_width = 100
 error_on_line_overflow = false
+write_mode = "Overwrite"
+
