Turned on INDIRECT_STRUCTURAL_MATCH lint to warn by default again.

Author: pnkfelix

src/librustc/lint/builtin.rs

@@ -398,7 +398,7 @@ declare_lint! {
 declare_lint! {
     pub INDIRECT_STRUCTURAL_MATCH,
     // defaulting to allow until rust-lang/rust#62614 is fixed.
-    Allow,
+    Warn,
     "pattern with const indirectly referencing non-`#[structural_match]` type",
     @future_incompatible = FutureIncompatibleInfo {
         reference: "issue #62411 <https://github.com/rust-lang/rust/issues/62411>",