From 4b9abdaa504bdf375c09afd9e994f3d066466d3c Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Wed, 22 Apr 2020 23:32:28 +0200
Subject: [PATCH] rustup

---
 rust-version | 2 +-
 src/eval.rs  | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/rust-version b/rust-version
index b48a98d229f2..871e50b995be 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-9b2f8dbba39dd4167f22a7026674a585c3d907d8
+b2e36e6c2d229126b59e892c9147fbb68115d292
diff --git a/src/eval.rs b/src/eval.rs
index 548ecee7bc42..61a5b71f0bdb 100644
--- a/src/eval.rs
+++ b/src/eval.rs
@@ -98,6 +98,7 @@ pub fn create_ecx<'mir, 'tcx: 'mir>(
         start_id,
         tcx.mk_substs(::std::iter::once(ty::subst::GenericArg::from(main_ret_ty))),
     )
+    .unwrap()
     .unwrap();
 
     // First argument: pointer to `main()`.