Update stability attribute for child stream From impls

Author: dtolnay

library/std/src/os/unix/process.rs

@@ -438,7 +438,7 @@ impl From<crate::process::ChildStdin> for OwnedFd {
 ///
 /// The provided file descriptor must point to a pipe
 /// with the `CLOEXEC` flag set.
-#[stable(feature = "io_safety", since = "1.63.0")]
+#[stable(feature = "child_stream_from_fd", since = "CURRENT_RUSTC_VERSION")]
 impl From<OwnedFd> for process::ChildStdin {
     #[inline]
     fn from(fd: OwnedFd) -> process::ChildStdin {
@@ -468,7 +468,7 @@ impl From<crate::process::ChildStdout> for OwnedFd {
 ///
 /// The provided file descriptor must point to a pipe
 /// with the `CLOEXEC` flag set.
-#[stable(feature = "io_safety", since = "1.63.0")]
+#[stable(feature = "child_stream_from_fd", since = "CURRENT_RUSTC_VERSION")]
 impl From<OwnedFd> for process::ChildStdout {
     #[inline]
     fn from(fd: OwnedFd) -> process::ChildStdout {
@@ -498,7 +498,7 @@ impl From<crate::process::ChildStderr> for OwnedFd {
 ///
 /// The provided file descriptor must point to a pipe
 /// with the `CLOEXEC` flag set.
-#[stable(feature = "io_safety", since = "1.63.0")]
+#[stable(feature = "child_stream_from_fd", since = "CURRENT_RUSTC_VERSION")]
 impl From<OwnedFd> for process::ChildStderr {
     #[inline]
     fn from(fd: OwnedFd) -> process::ChildStderr {

library/std/src/os/windows/process.rs

@@ -110,7 +110,7 @@ impl IntoRawHandle for process::ChildStderr {
 ///
 /// The provided handle must be asynchronous, as reading and
 /// writing from and to it is implemented using asynchronous APIs.
-#[stable(feature = "io_safety", since = "1.63.0")]
+#[stable(feature = "child_stream_from_fd", since = "CURRENT_RUSTC_VERSION")]
 impl From<OwnedHandle> for process::ChildStdin {
     fn from(handle: OwnedHandle) -> process::ChildStdin {
         let handle = sys::handle::Handle::from_inner(handle);
@@ -123,7 +123,7 @@ impl From<OwnedHandle> for process::ChildStdin {
 ///
 /// The provided handle must be asynchronous, as reading and
 /// writing from and to it is implemented using asynchronous APIs.
-#[stable(feature = "io_safety", since = "1.63.0")]
+#[stable(feature = "child_stream_from_fd", since = "CURRENT_RUSTC_VERSION")]
 impl From<OwnedHandle> for process::ChildStdout {
     fn from(handle: OwnedHandle) -> process::ChildStdout {
         let handle = sys::handle::Handle::from_inner(handle);
@@ -136,7 +136,7 @@ impl From<OwnedHandle> for process::ChildStdout {
 ///
 /// The provided handle must be asynchronous, as reading and
 /// writing from and to it is implemented using asynchronous APIs.
-#[stable(feature = "io_safety", since = "1.63.0")]
+#[stable(feature = "child_stream_from_fd", since = "CURRENT_RUSTC_VERSION")]
 impl From<OwnedHandle> for process::ChildStderr {
     fn from(handle: OwnedHandle) -> process::ChildStderr {
         let handle = sys::handle::Handle::from_inner(handle);