search_is_some: move to nursery

See clippy issue 16086 for context

src/tools/clippy/clippy_lints/src/methods/mod.rs

@@ -889,7 +889,7 @@ declare_clippy_lint! {
     /// ```
     #[clippy::version = "pre 1.29.0"]
     pub SEARCH_IS_SOME,
-    complexity,
+    nursery,
     "using an iterator or string search followed by `is_some()` or `is_none()`, which is more succinctly expressed as a call to `any()` or `contains()` (with negation in case of `is_none()`)"
 }
 

src/tools/clippy/tests/ui/crashes/ice-9041.rs

@@ -1,3 +1,4 @@
+#![warn(clippy::search_is_some)]
 pub struct Thing;
 //@no-rustfix
 pub fn has_thing(things: &[Thing]) -> bool {

src/tools/clippy/tests/ui/crashes/ice-9041.stderr

@@ -1,5 +1,5 @@
 error: called `is_some()` after searching an `Iterator` with `find`
-  --> tests/ui/crashes/ice-9041.rs:5:19
+  --> tests/ui/crashes/ice-9041.rs:6:19
    |
 LL |     things.iter().find(|p| is_thing_ready(p)).is_some()
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `any(|p| is_thing_ready(&p))`

src/tools/clippy/tests/ui/search_is_some_fixable_some.fixed

@@ -311,19 +311,23 @@ mod issue9120 {
     }
 }
 
+// skip this test due to rust-lang/rust-clippy#16086
+/*
 #[allow(clippy::match_like_matches_macro)]
 fn issue15102() {
     let values = [None, Some(3)];
-    let has_even = values.iter().any(|v| matches!(&v, Some(x) if x % 2 == 0));
-    //~^ search_is_some
+    let has_even = values.iter().find(|v| matches!(v, Some(x) if x % 2 == 0)).is_some();
+    ~^ search_is_some
     println!("{has_even}");
 
     let has_even = values
         .iter()
-        .any(|v| match &v {
-            //~^ search_is_some
+        .find(|v| match v {
+            ~^ search_is_some
             Some(x) if x % 2 == 0 => true,
             _ => false,
-        });
+        })
+        .is_some();
     println!("{has_even}");
 }
+*/

src/tools/clippy/tests/ui/search_is_some_fixable_some.rs

@@ -322,20 +322,23 @@ mod issue9120 {
     }
 }
 
+// skip this test due to rust-lang/rust-clippy#16086
+/*
 #[allow(clippy::match_like_matches_macro)]
 fn issue15102() {
     let values = [None, Some(3)];
     let has_even = values.iter().find(|v| matches!(v, Some(x) if x % 2 == 0)).is_some();
-    //~^ search_is_some
+    ~^ search_is_some
     println!("{has_even}");
 
     let has_even = values
         .iter()
         .find(|v| match v {
-            //~^ search_is_some
+            ~^ search_is_some
             Some(x) if x % 2 == 0 => true,
             _ => false,
         })
         .is_some();
     println!("{has_even}");
 }
+*/

src/tools/clippy/tests/ui/search_is_some_fixable_some.stderr

@@ -346,32 +346,5 @@ error: called `is_some()` after searching an `Iterator` with `find`
 LL |         let _ = v.iter().find(|x: &&u32| (*arg_no_deref_dyn)(x)).is_some();
    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `any(|x: &u32| (*arg_no_deref_dyn)(&x))`
 
-error: called `is_some()` after searching an `Iterator` with `find`
-  --> tests/ui/search_is_some_fixable_some.rs:328:34
-   |
-LL |     let has_even = values.iter().find(|v| matches!(v, Some(x) if x % 2 == 0)).is_some();
-   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `any(|v| matches!(&v, Some(x) if x % 2 == 0))`
-
-error: called `is_some()` after searching an `Iterator` with `find`
-  --> tests/ui/search_is_some_fixable_some.rs:334:10
-   |
-LL |           .find(|v| match v {
-   |  __________^
-LL | |
-LL | |             Some(x) if x % 2 == 0 => true,
-LL | |             _ => false,
-LL | |         })
-LL | |         .is_some();
-   | |__________________^
-   |
-help: consider using
-   |
-LL ~         .any(|v| match &v {
-LL +
-LL +             Some(x) if x % 2 == 0 => true,
-LL +             _ => false,
-LL ~         });
-   |
-
-error: aborting due to 51 previous errors
+error: aborting due to 49 previous errors