Update allocator_api2 dependency

Cargo.toml

@@ -11,7 +11,7 @@ description = "Reference counted vector data structure."
 
 [dev-dependencies]
 criterion = "0.4"
-blink-alloc = "0.2.5"
+blink-alloc = "0.4.0"
 
 [[bench]]
 name = "vector"
@@ -21,9 +21,9 @@ harness = false
 debug = true
 
 [dependencies]
-allocator-api2 = "0.2.4"
+allocator-api2 = "0.4.0"
 
 [features]
 default = ["std"]
-nightly = ["allocator-api2/nightly", "blink-alloc/nightly"]
+nightly = ["blink-alloc/nightly"]
 std = ["allocator-api2/std"]

src/lib.rs

@@ -12,7 +12,10 @@ pub use shared::{AtomicSharedVector, RefCountedVector, SharedVector};
 pub use vector::{Vector, RawVector};
 
 pub mod alloc {
+    #[cfg(not(feature = "nightly"))]
     pub use allocator_api2::alloc::{AllocError, Allocator, Global};
+    #[cfg(feature = "nightly")]
+    pub use std::alloc::{AllocError, Allocator, Global};
 }
 
 pub(crate) fn grow_amortized(len: usize, additional: usize) -> usize {
@@ -111,7 +114,7 @@ macro_rules! arc_vector {
 
 #[test]
 fn vector_macro() {
-    pub use allocator_api2::alloc::Global;
+    pub use crate::alloc::Global;
 
     let v1: Vector<u32> = vector![0, 1, 2, 3, 4, 5];
     let v2: Vector<u32> = vector![2; 4];