Add more from the std

crates/std/src/ffi/os_str.rs

@@ -6,12 +6,12 @@ mod tests;
 use core::clone::CloneToUninit;
 
 use crate::borrow::{Borrow, Cow};
-use alloc::collections::TryReserveError;
+use alloc_crate::collections::TryReserveError;
 use crate::hash::{Hash, Hasher};
 use crate::ops::{self, Range};
 use crate::rc::Rc;
 use crate::str::FromStr;
-use alloc::sync::Arc;
+use alloc_crate::sync::Arc;
 use crate::sys::os_str::{Buf, Slice};
 use crate::sys::{AsInner, FromInner, IntoInner};
 use crate::{cmp, fmt, slice};
@@ -1658,7 +1658,7 @@ impl fmt::Display for Display<'_> {
 }
 
 #[unstable(feature = "slice_concat_ext", issue = "27747")]
-impl<S: Borrow<OsStr>> alloc::slice::Join<&OsStr> for [S] {
+impl<S: Borrow<OsStr>> alloc_crate::slice::Join<&OsStr> for [S] {
     type Output = OsString;
 
     fn join(slice: &Self, sep: &OsStr) -> OsString {