Change how edition based future compatibility warnings are handled

1 files changed, 4 insertions, 5 deletions

diff --git a/compiler/rustc_lint/src/array_into_iter.rs b/compiler/rustc_lint/src/array_into_iter.rs
index 0b5bd39f7f9..dc6ba8ebac5 100644
--- a/compiler/rustc_lint/src/array_into_iter.rs
+++ b/compiler/rustc_lint/src/array_into_iter.rs
@@ -3,7 +3,8 @@ use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_middle::ty;
 use rustc_middle::ty::adjustment::{Adjust, Adjustment};
-use rustc_session::lint::FutureBreakage;
+use rustc_session::lint::FutureIncompatibilityReason;
+use rustc_span::edition::Edition;
 use rustc_span::symbol::sym;
 
 declare_lint! {
@@ -37,10 +38,8 @@ declare_lint! {
     "detects calling `into_iter` on arrays",
     @future_incompatible = FutureIncompatibleInfo {
         reference: "issue #66145 <https://github.com/rust-lang/rust/issues/66145>",
-        edition: None,
-        future_breakage: Some(FutureBreakage {
-            date: None
-        })
+        reason: FutureIncompatibilityReason::EditionSemanticsChange(Edition::Edition2021),
+        custom_explanation: Some("This will continue to compile in Rust 2021 but it will behave slightly differently!")
     };
 }