Made requested changes

clippy_lints/src/types.rs

@@ -220,12 +220,12 @@ fn check_ty(cx: &LateContext, ast_ty: &hir::Ty, is_local: bool) {
                     }
                 } else if match_def_path(cx.tcx, def_id, &paths::OPTION) {
                     if match_type_parameter(cx, qpath, &paths::OPTION) {
-                        span_help_and_lint(
+                        span_lint(
                             cx,
                             OPTION_OPTION,
                             ast_ty.span,
-                            "consider using `Option<T>` instead of `Option<Option<T>>`",
-                            "`Option<_>` is easier to use than `Option<Option<_>`",
+                            "consider using `Option<T>` instead of `Option<Option<T>>` or a custom \
+                            enum if you need to distinguish all 3 cases",
                         );
                         return; // don't recurse into the type
                     }

tests/ui/option_option.stderr

@@ -1,57 +1,44 @@
-error: consider using `Option<T>` instead of `Option<Option<T>>`
+error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
  --> $DIR/option_option.rs:1:13
   |
 1 | fn input(_: Option<Option<u8>>) {
   |             ^^^^^^^^^^^^^^^^^^
   |
   = note: `-D option-option` implied by `-D warnings`
-  = help: `Option<_>` is easier to use than `Option<Option<_>`
 
-error: consider using `Option<T>` instead of `Option<Option<T>>`
+error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
  --> $DIR/option_option.rs:4:16
   |
 4 | fn output() -> Option<Option<u8>> {
   |                ^^^^^^^^^^^^^^^^^^
-  |
-  = help: `Option<_>` is easier to use than `Option<Option<_>`
 
-error: consider using `Option<T>` instead of `Option<Option<T>>`
+error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
  --> $DIR/option_option.rs:8:27
   |
 8 | fn output_nested() -> Vec<Option<Option<u8>>> {
   |                           ^^^^^^^^^^^^^^^^^^
-  |
-  = help: `Option<_>` is easier to use than `Option<Option<_>`
 
-error: consider using `Option<T>` instead of `Option<Option<T>>`
+error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
   --> $DIR/option_option.rs:13:30
    |
 13 | fn output_nested_nested() -> Option<Option<Option<u8>>> {
    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: `Option<_>` is easier to use than `Option<Option<_>`
 
-error: consider using `Option<T>` instead of `Option<Option<T>>`
+error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
   --> $DIR/option_option.rs:18:8
    |
 18 |     x: Option<Option<u8>>,
    |        ^^^^^^^^^^^^^^^^^^
-   |
-   = help: `Option<_>` is easier to use than `Option<Option<_>`
 
-error: consider using `Option<T>` instead of `Option<Option<T>>`
+error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
   --> $DIR/option_option.rs:22:11
    |
 22 |     Tuple(Option<Option<u8>>),
    |           ^^^^^^^^^^^^^^^^^^
-   |
-   = help: `Option<_>` is easier to use than `Option<Option<_>`
 
-error: consider using `Option<T>` instead of `Option<Option<T>>`
+error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
   --> $DIR/option_option.rs:23:15
    |
 23 |     Struct{x: Option<Option<u8>>},
    |               ^^^^^^^^^^^^^^^^^^
-   |
-   = help: `Option<_>` is easier to use than `Option<Option<_>`