Auto merge of #125665 - matthiaskrgr:rollup-srkx0v1, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - #117671 (NVPTX: Avoid PassMode::Direct for args in C abi)
 - #125573 (Migrate `run-make/allow-warnings-cmdline-stability` to `rmake.rs`)
 - #125590 (Add a "Setup Python" action for github-hosted runners and remove unnecessary `CUSTOM_MINGW` environment variable)
 - #125598 (Make `ProofTreeBuilder` actually generic over `Interner`)
 - #125637 (rustfmt fixes)

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_middle/src/ty/context.rs

@@ -218,6 +218,13 @@ impl<'tcx> Interner for TyCtxt<'tcx> {
         self.check_and_mk_args(def_id, args)
     }
 
+    fn intern_canonical_goal_evaluation_step(
+        self,
+        step: solve::inspect::CanonicalGoalEvaluationStep<TyCtxt<'tcx>>,
+    ) -> &'tcx solve::inspect::CanonicalGoalEvaluationStep<TyCtxt<'tcx>> {
+        self.arena.alloc(step)
+    }
+
     fn parent(self, def_id: Self::DefId) -> Self::DefId {
         self.parent(def_id)
     }