Fix build on main (#396)

benches/field_arithmetic.rs

@@ -1,5 +1,3 @@
-#![feature(destructuring_assignment)]
-
 use criterion::{criterion_group, criterion_main, BatchSize, Criterion};
 use plonky2::field::extension_field::quartic::QuarticExtension;
 use plonky2::field::field_types::Field;

benches/hashing.rs

@@ -1,4 +1,3 @@
-#![feature(destructuring_assignment)]
 #![feature(generic_const_exprs)]
 
 use criterion::{criterion_group, criterion_main, BatchSize, Criterion};

src/field/goldilocks_field.rs

@@ -323,6 +323,7 @@ impl RichField for GoldilocksField {}
 #[inline(always)]
 #[cfg(target_arch = "x86_64")]
 unsafe fn add_no_canonicalize_trashing_input(x: u64, y: u64) -> u64 {
+    use std::arch::asm;
     let res_wrapped: u64;
     let adjustment: u64;
     asm!(
@@ -363,6 +364,7 @@ unsafe fn add_no_canonicalize_trashing_input(x: u64, y: u64) -> u64 {
 #[inline(always)]
 #[cfg(target_arch = "x86_64")]
 unsafe fn sub_no_canonicalize_trashing_input(x: u64, y: u64) -> u64 {
+    use std::arch::asm;
     let res_wrapped: u64;
     let adjustment: u64;
     asm!(

src/hash/arch/aarch64/poseidon_goldilocks_neon.rs

@@ -1,6 +1,7 @@
 #![allow(clippy::assertions_on_constants)]
 
 use std::arch::aarch64::*;
+use std::arch::asm;
 
 use static_assertions::const_assert;
 use unroll::unroll_for_loops;

src/lib.rs

@@ -4,9 +4,7 @@
 #![allow(clippy::too_many_arguments)]
 #![allow(clippy::len_without_is_empty)]
 #![allow(clippy::needless_range_loop)]
-#![feature(asm)]
 #![feature(asm_sym)]
-#![feature(destructuring_assignment)]
 #![feature(generic_const_exprs)]
 #![feature(specialization)]
 #![feature(stdsimd)]

src/util/mod.rs

@@ -1,4 +1,5 @@
-use core::hint::unreachable_unchecked;
+use std::arch::asm;
+use std::hint::unreachable_unchecked;
 
 use crate::field::field_types::Field;
 use crate::polynomial::PolynomialValues;