Add 'feature' and 'since' to stability attributes

1 files changed, 8 insertions, 7 deletions

diff --git a/src/libstd/error.rs b/src/libstd/error.rs
index ff128461978..91603fb7119 100644
--- a/src/libstd/error.rs
+++ b/src/libstd/error.rs
@@ -78,7 +78,7 @@
 //! }
 //! ```
 
-#![stable]
+#![stable(feature = "grandfathered", since = "1.0.0")]
 
 use prelude::v1::*;
 
@@ -86,7 +86,8 @@ use str::Utf8Error;
 use string::{FromUtf8Error, FromUtf16Error};
 
 /// Base functionality for all errors in Rust.
-#[unstable = "the exact API of this trait may change"]
+#[unstable(feature = "unnamed_feature", since = "1.0.0",
+           reason = "the exact API of this trait may change")]
 pub trait Error {
     /// A short description of the error; usually a static string.
     fn description(&self) -> &str;
@@ -99,21 +100,21 @@ pub trait Error {
 }
 
 /// A trait for types that can be converted from a given error type `E`.
-#[stable]
+#[stable(feature = "grandfathered", since = "1.0.0")]
 pub trait FromError<E> {
     /// Perform the conversion.
     fn from_error(err: E) -> Self;
 }
 
 // Any type is convertable from itself
-#[stable]
+#[stable(feature = "grandfathered", since = "1.0.0")]
 impl<E> FromError<E> for E {
     fn from_error(err: E) -> E {
         err
     }
 }
 
-#[stable]
+#[stable(feature = "grandfathered", since = "1.0.0")]
 impl Error for Utf8Error {
     fn description(&self) -> &str {
         match *self {
@@ -125,13 +126,13 @@ impl Error for Utf8Error {
     fn detail(&self) -> Option<String> { Some(self.to_string()) }
 }
 
-#[stable]
+#[stable(feature = "grandfathered", since = "1.0.0")]
 impl Error for FromUtf8Error {
     fn description(&self) -> &str { "invalid utf-8" }
     fn detail(&self) -> Option<String> { Some(self.to_string()) }
 }
 
-#[stable]
+#[stable(feature = "grandfathered", since = "1.0.0")]
 impl Error for FromUtf16Error {
     fn description(&self) -> &str { "invalid utf-16" }
 }