Temporarily downgrade match_wildcard_for_single_variants to nursery

clippy_lints/src/lib.rs

@@ -1385,7 +1385,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
         LintId::of(&match_on_vec_items::MATCH_ON_VEC_ITEMS),
         LintId::of(&matches::MATCH_BOOL),
         LintId::of(&matches::MATCH_SAME_ARMS),
-        LintId::of(&matches::MATCH_WILDCARD_FOR_SINGLE_VARIANTS),
         LintId::of(&matches::MATCH_WILD_ERR_ARM),
         LintId::of(&matches::SINGLE_MATCH_ELSE),
         LintId::of(&methods::FILTER_MAP),
@@ -2051,6 +2050,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
         LintId::of(&floating_point_arithmetic::SUBOPTIMAL_FLOPS),
         LintId::of(&future_not_send::FUTURE_NOT_SEND),
         LintId::of(&let_if_seq::USELESS_LET_IF_SEQ),
+        LintId::of(&matches::MATCH_WILDCARD_FOR_SINGLE_VARIANTS),
         LintId::of(&missing_const_for_fn::MISSING_CONST_FOR_FN),
         LintId::of(&mutable_debug_assertion::DEBUG_ASSERT_WITH_MUT_CALL),
         LintId::of(&mutex_atomic::MUTEX_INTEGER),

clippy_lints/src/matches.rs

@@ -290,7 +290,7 @@ declare_clippy_lint! {
     /// }
     /// ```
     pub MATCH_WILDCARD_FOR_SINGLE_VARIANTS,
-    pedantic,
+    nursery,
     "a wildcard enum match for a single variant"
 }