Fix failing tests

Author: cgm616

clippy_lints/src/xor_used_as_pow.rs

@@ -55,7 +55,7 @@ impl LateLintPass<'_> for XorUsedAsPow {
             if let ExprKind::Binary(op, left, right) = &expr.kind;
             if BinOpKind::BitXor == op.node;
             if let ExprKind::Lit(lhs) = &left.kind;
-            if let Some((lhs_val, lhs_type)) = unwrap_dec_int_literal(cx, lhs);
+            if let Some((lhs_val, _)) = unwrap_dec_int_literal(cx, lhs);
             then {
                 match &right.kind {
                     ExprKind::Lit(rhs) => {

tests/ui/xor_used_as_pow.stderr

@@ -4,8 +4,8 @@ error: `^` is not an exponentiation operator but appears to have been used as on
 LL |     let _ = 10 ^ 4;
    |             ^^^^^^
    |
-   = help: did you mean to use .pow()?
    = note: `-D clippy::xor-used-as-pow` implied by `-D warnings`
+   = help: did you mean to use .pow()?
 
 error: `^` is not an exponentiation operator but appears to have been used as one
   --> $DIR/xor_used_as_pow.rs:27:17

tests/ui/xor_used_as_pow_fixable.stderr

@@ -1,19 +1,19 @@
 error: it appears you are trying to get a power of two, but `^` is not an exponentiation operator
-  --> $DIR/xor_used_as_pow.rs:25:13
+  --> $DIR/xor_used_as_pow_fixable.rs:25:13
    |
 LL |     let _ = 2 ^ 3;
    |             ^^^^^ help: use a bitshift or constant instead: `1_u32 << 3`
    |
    = note: `-D clippy::xor-used-as-pow` implied by `-D warnings`
 
 error: it appears you are trying to get a power of two, but `^` is not an exponentiation operator
-  --> $DIR/xor_used_as_pow.rs:26:13
+  --> $DIR/xor_used_as_pow_fixable.rs:26:13
    |
 LL |     let _ = 2 ^ 32;
    |             ^^^^^^ help: use a bitshift or constant instead: `1_u64 << 32`
 
 error: it appears you are trying to get a power of two, but `^` is not an exponentiation operator
-  --> $DIR/xor_used_as_pow.rs:29:17
+  --> $DIR/xor_used_as_pow_fixable.rs:29:17
    |
 LL |         let _ = 2 ^ x;
    |                 ^^^^^ help: use a bitshift or constant instead: `1 << x`