warning: use of deprecated constant `std::sync::atomic::ATOMIC_ISIZE_INIT`: the `new` function is now preferred
  --> $DIR/atomic_initializers.rs:8:27
   |
LL | static FOO: AtomicIsize = ATOMIC_ISIZE_INIT;
   |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicIsize::new(0)`
   |
   = note: `#[warn(deprecated)]` on by default

warning: 1 warning emitted