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-rw-r--r--src/liballoc/arc.rs49
-rw-r--r--src/liballoc/boxed.rs46
-rw-r--r--src/liballoc/heap.rs2
-rw-r--r--src/liballoc/lib.rs7
-rw-r--r--src/liballoc/rc.rs60
5 files changed, 86 insertions, 78 deletions
diff --git a/src/liballoc/arc.rs b/src/liballoc/arc.rs
index 5f8cd6baf9a..1b75289c64f 100644
--- a/src/liballoc/arc.rs
+++ b/src/liballoc/arc.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![stable]
+#![stable(feature = "rust1", since = "1.0.0")]
 
 //! Threadsafe reference-counted boxes (the `Arc<T>` type).
 //!
@@ -110,7 +110,7 @@ use heap::deallocate;
 /// }
 /// ```
 #[unsafe_no_drop_flag]
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 pub struct Arc<T> {
     // FIXME #12808: strange name to try to avoid interfering with
     // field accesses of the contained type via Deref
@@ -126,7 +126,8 @@ unsafe impl<T: Sync + Send> Sync for Arc<T> { }
 /// Weak pointers will not keep the data inside of the `Arc` alive, and can be used to break cycles
 /// between `Arc` pointers.
 #[unsafe_no_drop_flag]
-#[unstable = "Weak pointers may not belong in this module."]
+#[unstable(feature = "alloc",
+           reason = "Weak pointers may not belong in this module.")]
 pub struct Weak<T> {
     // FIXME #12808: strange name to try to avoid interfering with
     // field accesses of the contained type via Deref
@@ -156,7 +157,7 @@ impl<T> Arc<T> {
     /// let five = Arc::new(5i);
     /// ```
     #[inline]
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     pub fn new(data: T) -> Arc<T> {
         // Start the weak pointer count as 1 which is the weak pointer that's
         // held by all the strong pointers (kinda), see std/rc.rs for more info
@@ -179,7 +180,8 @@ impl<T> Arc<T> {
     ///
     /// let weak_five = five.downgrade();
     /// ```
-    #[unstable = "Weak pointers may not belong in this module."]
+    #[unstable(feature = "alloc",
+               reason = "Weak pointers may not belong in this module.")]
     pub fn downgrade(&self) -> Weak<T> {
         // See the clone() impl for why this is relaxed
         self.inner().weak.fetch_add(1, Relaxed);
@@ -200,15 +202,15 @@ impl<T> Arc<T> {
 
 /// Get the number of weak references to this value.
 #[inline]
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn weak_count<T>(this: &Arc<T>) -> uint { this.inner().weak.load(SeqCst) - 1 }
 
 /// Get the number of strong references to this value.
 #[inline]
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn strong_count<T>(this: &Arc<T>) -> uint { this.inner().strong.load(SeqCst) }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Clone for Arc<T> {
     /// Makes a clone of the `Arc<T>`.
     ///
@@ -245,7 +247,7 @@ impl<T> BorrowFrom<Arc<T>> for T {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Deref for Arc<T> {
     type Target = T;
 
@@ -271,7 +273,7 @@ impl<T: Send + Sync + Clone> Arc<T> {
     /// let mut_five = five.make_unique();
     /// ```
     #[inline]
-    #[unstable]
+    #[unstable(feature = "alloc")]
     pub fn make_unique(&mut self) -> &mut T {
         // Note that we hold a strong reference, which also counts as a weak reference, so we only
         // clone if there is an additional reference of either kind.
@@ -289,7 +291,7 @@ impl<T: Send + Sync + Clone> Arc<T> {
 }
 
 #[unsafe_destructor]
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Sync + Send> Drop for Arc<T> {
     /// Drops the `Arc<T>`.
     ///
@@ -355,7 +357,8 @@ impl<T: Sync + Send> Drop for Arc<T> {
     }
 }
 
-#[unstable = "Weak pointers may not belong in this module."]
+#[unstable(feature = "alloc",
+           reason = "Weak pointers may not belong in this module.")]
 impl<T: Sync + Send> Weak<T> {
     /// Upgrades a weak reference to a strong reference.
     ///
@@ -393,7 +396,8 @@ impl<T: Sync + Send> Weak<T> {
     }
 }
 
-#[unstable = "Weak pointers may not belong in this module."]
+#[unstable(feature = "alloc",
+           reason = "Weak pointers may not belong in this module.")]
 impl<T: Sync + Send> Clone for Weak<T> {
     /// Makes a clone of the `Weak<T>`.
     ///
@@ -417,7 +421,7 @@ impl<T: Sync + Send> Clone for Weak<T> {
 }
 
 #[unsafe_destructor]
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Sync + Send> Drop for Weak<T> {
     /// Drops the `Weak<T>`.
     ///
@@ -460,7 +464,7 @@ impl<T: Sync + Send> Drop for Weak<T> {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: PartialEq> PartialEq for Arc<T> {
     /// Equality for two `Arc<T>`s.
     ///
@@ -492,7 +496,7 @@ impl<T: PartialEq> PartialEq for Arc<T> {
     /// ```
     fn ne(&self, other: &Arc<T>) -> bool { *(*self) != *(*other) }
 }
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: PartialOrd> PartialOrd for Arc<T> {
     /// Partial comparison for two `Arc<T>`s.
     ///
@@ -571,30 +575,30 @@ impl<T: PartialOrd> PartialOrd for Arc<T> {
     /// ```
     fn ge(&self, other: &Arc<T>) -> bool { *(*self) >= *(*other) }
 }
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Ord> Ord for Arc<T> {
     fn cmp(&self, other: &Arc<T>) -> Ordering { (**self).cmp(&**other) }
 }
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Eq> Eq for Arc<T> {}
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: fmt::Display> fmt::Display for Arc<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Display::fmt(&**self, f)
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: fmt::Debug> fmt::Debug for Arc<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Debug::fmt(&**self, f)
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Default + Sync + Send> Default for Arc<T> {
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     fn default() -> Arc<T> { Arc::new(Default::default()) }
 }
 
@@ -605,7 +609,6 @@ impl<H: Hasher, T: Hash<H>> Hash<H> for Arc<T> {
 }
 
 #[cfg(test)]
-#[allow(unstable)]
 mod tests {
     use std::clone::Clone;
     use std::sync::mpsc::channel;
diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
index c4abedf3fe8..51e5fc5820c 100644
--- a/src/liballoc/boxed.rs
+++ b/src/liballoc/boxed.rs
@@ -43,7 +43,7 @@
 //!
 //! This will print `Cons(1i32, Box(Cons(2i32, Box(Nil))))`.
 
-#![stable]
+#![stable(feature = "rust1", since = "1.0.0")]
 
 use core::any::Any;
 use core::clone::Clone;
@@ -77,14 +77,15 @@ use core::result::Result;
 /// }
 /// ```
 #[lang = "exchange_heap"]
-#[unstable = "may be renamed; uncertain about custom allocator design"]
+#[unstable(feature = "alloc",
+           reason = "may be renamed; uncertain about custom allocator design")]
 pub static HEAP: () = ();
 
 /// A pointer type for heap allocation.
 ///
 /// See the [module-level documentation](../../std/boxed/index.html) for more.
 #[lang = "owned_box"]
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 pub struct Box<T>(Unique<T>);
 
 impl<T> Box<T> {
@@ -95,25 +96,25 @@ impl<T> Box<T> {
     /// ```
     /// let x = Box::new(5);
     /// ```
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     pub fn new(x: T) -> Box<T> {
         box x
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Default> Default for Box<T> {
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     fn default() -> Box<T> { box Default::default() }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Default for Box<[T]> {
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     fn default() -> Box<[T]> { box [] }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Clone> Clone for Box<T> {
     /// Returns a new box with a `clone()` of this box's contents.
     ///
@@ -144,14 +145,14 @@ impl<T: Clone> Clone for Box<T> {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized + PartialEq> PartialEq for Box<T> {
     #[inline]
     fn eq(&self, other: &Box<T>) -> bool { PartialEq::eq(&**self, &**other) }
     #[inline]
     fn ne(&self, other: &Box<T>) -> bool { PartialEq::ne(&**self, &**other) }
 }
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized + PartialOrd> PartialOrd for Box<T> {
     #[inline]
     fn partial_cmp(&self, other: &Box<T>) -> Option<Ordering> {
@@ -166,14 +167,14 @@ impl<T: ?Sized + PartialOrd> PartialOrd for Box<T> {
     #[inline]
     fn gt(&self, other: &Box<T>) -> bool { PartialOrd::gt(&**self, &**other) }
 }
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized + Ord> Ord for Box<T> {
     #[inline]
     fn cmp(&self, other: &Box<T>) -> Ordering {
         Ord::cmp(&**self, &**other)
     }
 }
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized + Eq> Eq for Box<T> {}
 
 impl<S: hash::Hasher, T: ?Sized + Hash<S>> Hash<S> for Box<T> {
@@ -184,19 +185,20 @@ impl<S: hash::Hasher, T: ?Sized + Hash<S>> Hash<S> for Box<T> {
 }
 
 /// Extension methods for an owning `Any` trait object.
-#[unstable = "this trait will likely disappear once compiler bugs blocking \
-              a direct impl on `Box<Any>` have been fixed "]
+#[unstable(feature = "alloc",
+           reason = "this trait will likely disappear once compiler bugs blocking \
+                     a direct impl on `Box<Any>` have been fixed ")]
 // FIXME(#18737): this should be a direct impl on `Box<Any>`. If you're
 //                removing this please make sure that you can downcase on
 //                `Box<Any + Send>` as well as `Box<Any>`
 pub trait BoxAny {
     /// Returns the boxed value if it is of type `T`, or
     /// `Err(Self)` if it isn't.
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     fn downcast<T: 'static>(self) -> Result<Box<T>, Self>;
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl BoxAny for Box<Any> {
     #[inline]
     fn downcast<T: 'static>(self) -> Result<Box<T>, Box<Any>> {
@@ -215,35 +217,35 @@ impl BoxAny for Box<Any> {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: fmt::Display + ?Sized> fmt::Display for Box<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Display::fmt(&**self, f)
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: fmt::Debug + ?Sized> fmt::Debug for Box<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Debug::fmt(&**self, f)
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl fmt::Debug for Box<Any> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.pad("Box<Any>")
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized> Deref for Box<T> {
     type Target = T;
 
     fn deref(&self) -> &T { &**self }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized> DerefMut for Box<T> {
     fn deref_mut(&mut self) -> &mut T { &mut **self }
 }
diff --git a/src/liballoc/heap.rs b/src/liballoc/heap.rs
index a2643f4d0f7..dcbd4d57cf9 100644
--- a/src/liballoc/heap.rs
+++ b/src/liballoc/heap.rs
@@ -80,7 +80,7 @@ pub fn usable_size(size: uint, align: uint) -> uint {
 ///
 /// These statistics may be inconsistent if other threads use the allocator
 /// during the call.
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn stats_print() {
     imp::stats_print();
 }
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 231ef6e7e74..6830a1c33df 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -57,7 +57,8 @@
 //! default global allocator. It is not compatible with the libc allocator API.
 
 #![crate_name = "alloc"]
-#![unstable]
+#![unstable(feature = "alloc")]
+#![feature(staged_api)]
 #![staged_api]
 #![crate_type = "rlib"]
 #![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
@@ -66,13 +67,15 @@
 
 #![no_std]
 #![allow(unknown_features)]
-#![allow(unstable)]
 #![feature(lang_items, unsafe_destructor)]
 #![feature(box_syntax)]
 #![feature(optin_builtin_traits)]
 // FIXME(#21363) remove `old_impl_check` when bug is fixed
 #![feature(old_impl_check)]
 #![allow(unknown_features)] #![feature(int_uint)]
+#![feature(core)]
+#![feature(hash)]
+#![feature(libc)]
 
 #[macro_use]
 extern crate core;
diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index 5e82c4f1ade..d41673f56ed 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -142,7 +142,7 @@
 //! }
 //! ```
 
-#![stable]
+#![stable(feature = "rust1", since = "1.0.0")]
 
 use core::borrow::BorrowFrom;
 use core::cell::Cell;
@@ -173,7 +173,7 @@ struct RcBox<T> {
 ///
 /// See the [module level documentation](../index.html) for more details.
 #[unsafe_no_drop_flag]
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 pub struct Rc<T> {
     // FIXME #12808: strange names to try to avoid interfering with field accesses of the contained
     // type via Deref
@@ -185,7 +185,6 @@ impl<T> !marker::Send for Rc<T> {}
 impl<T> !marker::Sync for Rc<T> {}
 
 impl<T> Rc<T> {
-
     /// Constructs a new `Rc<T>`.
     ///
     /// # Examples
@@ -195,7 +194,7 @@ impl<T> Rc<T> {
     ///
     /// let five = Rc::new(5i);
     /// ```
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     pub fn new(value: T) -> Rc<T> {
         unsafe {
             Rc {
@@ -222,7 +221,8 @@ impl<T> Rc<T> {
     ///
     /// let weak_five = five.downgrade();
     /// ```
-    #[unstable = "Weak pointers may not belong in this module"]
+    #[unstable(feature = "alloc",
+               reason = "Weak pointers may not belong in this module")]
     pub fn downgrade(&self) -> Weak<T> {
         self.inc_weak();
         Weak { _ptr: self._ptr }
@@ -231,12 +231,12 @@ impl<T> Rc<T> {
 
 /// Get the number of weak references to this value.
 #[inline]
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn weak_count<T>(this: &Rc<T>) -> uint { this.weak() - 1 }
 
 /// Get the number of strong references to this value.
 #[inline]
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn strong_count<T>(this: &Rc<T>) -> uint { this.strong() }
 
 /// Returns true if there are no other `Rc` or `Weak<T>` values that share the same inner value.
@@ -252,7 +252,7 @@ pub fn strong_count<T>(this: &Rc<T>) -> uint { this.strong() }
 /// rc::is_unique(&five);
 /// ```
 #[inline]
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn is_unique<T>(rc: &Rc<T>) -> bool {
     weak_count(rc) == 0 && strong_count(rc) == 1
 }
@@ -274,7 +274,7 @@ pub fn is_unique<T>(rc: &Rc<T>) -> bool {
 /// assert_eq!(rc::try_unwrap(x), Err(Rc::new(4u)));
 /// ```
 #[inline]
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn try_unwrap<T>(rc: Rc<T>) -> Result<T, Rc<T>> {
     if is_unique(&rc) {
         unsafe {
@@ -308,7 +308,7 @@ pub fn try_unwrap<T>(rc: Rc<T>) -> Result<T, Rc<T>> {
 /// assert!(rc::get_mut(&mut x).is_none());
 /// ```
 #[inline]
-#[unstable]
+#[unstable(feature = "alloc")]
 pub fn get_mut<'a, T>(rc: &'a mut Rc<T>) -> Option<&'a mut T> {
     if is_unique(rc) {
         let inner = unsafe { &mut **rc._ptr };
@@ -334,7 +334,7 @@ impl<T: Clone> Rc<T> {
     /// let mut_five = five.make_unique();
     /// ```
     #[inline]
-    #[unstable]
+    #[unstable(feature = "alloc")]
     pub fn make_unique(&mut self) -> &mut T {
         if !is_unique(self) {
             *self = Rc::new((**self).clone())
@@ -354,7 +354,7 @@ impl<T> BorrowFrom<Rc<T>> for T {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Deref for Rc<T> {
     type Target = T;
 
@@ -365,7 +365,7 @@ impl<T> Deref for Rc<T> {
 }
 
 #[unsafe_destructor]
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for Rc<T> {
     /// Drops the `Rc<T>`.
     ///
@@ -413,7 +413,7 @@ impl<T> Drop for Rc<T> {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Clone for Rc<T> {
 
     /// Makes a clone of the `Rc<T>`.
@@ -436,7 +436,7 @@ impl<T> Clone for Rc<T> {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Default> Default for Rc<T> {
     /// Creates a new `Rc<T>`, with the `Default` value for `T`.
     ///
@@ -449,13 +449,13 @@ impl<T: Default> Default for Rc<T> {
     /// let x: Rc<int> = Default::default();
     /// ```
     #[inline]
-    #[stable]
+    #[stable(feature = "rust1", since = "1.0.0")]
     fn default() -> Rc<T> {
         Rc::new(Default::default())
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: PartialEq> PartialEq for Rc<T> {
     /// Equality for two `Rc<T>`s.
     ///
@@ -490,10 +490,10 @@ impl<T: PartialEq> PartialEq for Rc<T> {
     fn ne(&self, other: &Rc<T>) -> bool { **self != **other }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Eq> Eq for Rc<T> {}
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: PartialOrd> PartialOrd for Rc<T> {
     /// Partial comparison for two `Rc<T>`s.
     ///
@@ -578,7 +578,7 @@ impl<T: PartialOrd> PartialOrd for Rc<T> {
     fn ge(&self, other: &Rc<T>) -> bool { **self >= **other }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Ord> Ord for Rc<T> {
     /// Comparison for two `Rc<T>`s.
     ///
@@ -605,14 +605,14 @@ impl<S: hash::Hasher, T: Hash<S>> Hash<S> for Rc<T> {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: fmt::Display> fmt::Display for Rc<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Display::fmt(&**self, f)
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: fmt::Debug> fmt::Debug for Rc<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Debug::fmt(&**self, f)
@@ -625,21 +625,21 @@ impl<T: fmt::Debug> fmt::Debug for Rc<T> {
 ///
 /// See the [module level documentation](../index.html) for more.
 #[unsafe_no_drop_flag]
-#[unstable = "Weak pointers may not belong in this module."]
+#[unstable(feature = "alloc",
+           reason = "Weak pointers may not belong in this module.")]
 pub struct Weak<T> {
     // FIXME #12808: strange names to try to avoid interfering with
     // field accesses of the contained type via Deref
     _ptr: NonZero<*mut RcBox<T>>,
 }
 
-#[allow(unstable)]
 impl<T> !marker::Send for Weak<T> {}
 
-#[allow(unstable)]
 impl<T> !marker::Sync for Weak<T> {}
 
 
-#[unstable = "Weak pointers may not belong in this module."]
+#[unstable(feature = "alloc",
+           reason = "Weak pointers may not belong in this module.")]
 impl<T> Weak<T> {
 
     /// Upgrades a weak reference to a strong reference.
@@ -670,7 +670,7 @@ impl<T> Weak<T> {
 }
 
 #[unsafe_destructor]
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for Weak<T> {
     /// Drops the `Weak<T>`.
     ///
@@ -713,7 +713,8 @@ impl<T> Drop for Weak<T> {
     }
 }
 
-#[unstable = "Weak pointers may not belong in this module."]
+#[unstable(feature = "alloc",
+           reason = "Weak pointers may not belong in this module.")]
 impl<T> Clone for Weak<T> {
 
     /// Makes a clone of the `Weak<T>`.
@@ -736,7 +737,7 @@ impl<T> Clone for Weak<T> {
     }
 }
 
-#[stable]
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T: fmt::Debug> fmt::Debug for Weak<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "(Weak)")
@@ -777,7 +778,6 @@ impl<T> RcBoxPtr<T> for Weak<T> {
 }
 
 #[cfg(test)]
-#[allow(unstable)]
 mod tests {
     use super::{Rc, Weak, weak_count, strong_count};
     use std::cell::RefCell;
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-03-12 09:06:52 +0000