Fix allow on some statement lints

tests/ui/needless_collect_indirect.rs

@@ -1,4 +1,4 @@
-use std::collections::{BinaryHeap, HashMap, LinkedList, VecDeque};
+use std::collections::{BinaryHeap, HashMap, HashSet, LinkedList, VecDeque};
 
 fn main() {
     let sample = [1; 5];
@@ -75,3 +75,9 @@ mod issue7110 {
         buffer.len()
     }
 }
+
+fn allow_test() {
+    #[allow(clippy::needless_collect)]
+    let v = [1].iter().collect::<Vec<_>>();
+    v.into_iter().collect::<HashSet<_>>();
+}

tests/ui/no_effect.rs

@@ -91,6 +91,9 @@ fn main() {
     let s: String = "foo".into();
     FooString { s: s };
 
+    #[allow(clippy::no_effect)]
+    0;
+
     // Do not warn
     get_number();
     unsafe { unsafe_fn() };