Explain reason for using deprecated code

rand_jitter/src/lib.rs

@@ -77,7 +77,7 @@ use core::{fmt, mem, ptr};
 #[cfg(feature = "std")]
 use std::sync::atomic::{AtomicUsize, Ordering};
 #[cfg(feature = "std")]
-#[allow(deprecated)]  // Since Rust 1.34, `Atomic*::new` is preferred.
+#[allow(deprecated)]  // Required for compatibility with Rust < 1.24.
 use std::sync::atomic::ATOMIC_USIZE_INIT;
 
 const MEMORY_BLOCKS: usize = 64;

rand_os/src/netbsd.rs

@@ -15,7 +15,7 @@ use super::OsRngImpl;
 use std::fs::File;
 use std::io::Read;
 use std::sync::atomic::{AtomicBool, Ordering};
-#[allow(deprecated)]  // Since Rust 1.34, `Atomic*::new` is preferred.
+#[allow(deprecated)]  // Required for compatibility with Rust < 1.24.
 use std::sync::atomic::ATOMIC_BOOL_INIT;
 
 #[derive(Clone, Debug)]

rand_os/src/solaris.rs

@@ -29,7 +29,7 @@ use std::io::Read;
 use std::fs::{File, OpenOptions};
 use std::os::unix::fs::OpenOptionsExt;
 use std::sync::atomic::{AtomicBool, Ordering};
-#[allow(deprecated)]  // Since Rust 1.34, `Atomic*::new` is preferred.
+#[allow(deprecated)]  // Required for compatibility with Rust < 1.24.
 use std::sync::atomic::ATOMIC_BOOL_INIT;
 use std::cmp;
 
@@ -155,7 +155,7 @@ fn getrandom_try_fill(dest: &mut [u8], blocking: bool) -> Result<(), Error> {
 
 fn is_getrandom_available() -> bool {
     use std::sync::atomic::{AtomicBool, Ordering};
-    #[allow(deprecated)]  // Since Rust 1.34, `Atomic*::new` is preferred.
+    #[allow(deprecated)]  // Required for compatibility with Rust < 1.24.
     use std::sync::atomic::ATOMIC_BOOL_INIT;
     use std::sync::{Once, ONCE_INIT};
 

src/rngs/adapter/reseeding.rs

@@ -287,7 +287,7 @@ mod fork {
     extern crate libc;
 
     use core::sync::atomic::{AtomicUsize, AtomicBool, Ordering};
-    #[allow(deprecated)]  // Since Rust 1.34, `Atomic*::new` is preferred.
+    #[allow(deprecated)]  // Required for compatibility with Rust < 1.24.
     use core::sync::atomic::{ATOMIC_USIZE_INIT, ATOMIC_BOOL_INIT};
 
     // Fork protection