make rustc_encodable_decodable feature properly unstable

RalfJung · RalfJung · commit 29935040f0b7 · 2024-12-13T18:23:32.000+01:00
diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs
@@ -1774,7 +1774,6 @@ pub(crate) mod builtin {
     #[unstable(
         feature = "rustc_encodable_decodable",
         issue = "none",
-        soft,
         reason = "derive macro for `rustc-serialize`; should not be used in new code"
     )]
     #[deprecated(since = "1.52.0", note = "rustc-serialize is deprecated and no longer supported")]
@@ -1788,7 +1787,6 @@ pub(crate) mod builtin {
     #[unstable(
         feature = "rustc_encodable_decodable",
         issue = "none",
-        soft,
         reason = "derive macro for `rustc-serialize`; should not be used in new code"
     )]
     #[deprecated(since = "1.52.0", note = "rustc-serialize is deprecated and no longer supported")]
diff --git a/library/core/src/prelude/mod.rs b/library/core/src/prelude/mod.rs
@@ -23,7 +23,6 @@ pub mod v1 {
     #[unstable(
         feature = "rustc_encodable_decodable",
         issue = "none",
-        soft,
         reason = "derive macro for `rustc-serialize`; should not be used in new code"
     )]
     #[allow(deprecated)]
diff --git a/library/std/src/prelude/mod.rs b/library/std/src/prelude/mod.rs
@@ -125,7 +125,6 @@ pub mod v1 {
     #[unstable(
         feature = "rustc_encodable_decodable",
         issue = "none",
-        soft,
         reason = "derive macro for `rustc-serialize`; should not be used in new code"
     )]
     #[allow(deprecated)]
