From b09ae2da2eeab013b445da6610c2da5a11f782df Mon Sep 17 00:00:00 2001
From: Mike Aizatsky <maizatskyi@cloudflare.com>
Date: Fri, 29 Sep 2023 14:07:29 -0700
Subject: [PATCH] upgrade rust toolchain to 1.70

This brings us closer to the downstream version. Windows link failures
appear with 1.72.1, possibly due to https://github.com/abrisco/cargo-bazel/issues/173.
---
 WORKSPACE | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/WORKSPACE b/WORKSPACE
index c85b9d5b65e..f1e59156751 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -222,8 +222,8 @@ load("@rules_rust//rust:repositories.bzl", "rules_rust_dependencies", "rust_regi
 rules_rust_dependencies()
 
 rust_register_toolchains(
-    edition = "2018",
-    versions = ["1.66.0"],
+    edition = "2021",
+    versions = ["1.70.0"],
 )
 
 load("@rules_rust//crate_universe:repositories.bzl", "crate_universe_dependencies")