message: chore: change line endings to LF, refactor rustfmt [skip travis]
diff: edition = "2018"
  -max_width = 100
  -newline_style = "Unix"
  reorder_imports = true
  -fn_args_layout = "Compressed"
  -merge_derives = true
  reorder_modules = true
  +merge_derives = true
  +fn_args_layout = "Compressed"
  +use_field_init_shorthand = true
  tab_spaces = 4
  +max_width = 100
  +newline_style = "Unix"
  