Fix warnings

Author: TimDiekmann

src/lib.rs

@@ -45,16 +45,11 @@ pub use self::{
 
 #[cfg(feature = "intrinsics")]
 mod intrinsics {
-    pub use core::intrinsics::{likely, unlikely};
+    pub use core::intrinsics::unlikely;
 }
 
 #[cfg(not(feature = "intrinsics"))]
 mod intrinsics {
-    #[inline(always)]
-    pub fn likely(b: bool) -> bool {
-        b
-    }
-
     #[inline(always)]
     pub fn unlikely(b: bool) -> bool {
         b

src/stats.rs

@@ -625,7 +625,7 @@ impl_filtered_callback_ref!(FilteredAtomicCounter);
 mod tests {
     use super::{AtomicCounter, Counter, FilteredAtomicCounter, FilteredCounter};
     use crate::{helper, CallbackRef, Owns, Proxy, Region};
-    use std::alloc::{AllocErr, AllocInit, AllocRef, Layout, ReallocPlacement, System};
+    use std::alloc::{AllocInit, AllocRef, Layout, ReallocPlacement};
 
     #[allow(clippy::too_many_lines)]
     fn run_suite(callbacks: &impl CallbackRef) {