From 4db1509473a2adc5a11e108827522e020b75d7f0 Mon Sep 17 00:00:00 2001
From: Stefan Lippuner <3071885+stefanlippuner@users.noreply.github.com>
Date: Sun, 10 Sep 2023 16:44:39 +0200
Subject: [PATCH] Pin Rust toolchain version to v1.66

Newer toolchains cause stack overflow errors in some tests. That may be related to
a memory alignment change in Rust v1.67 (https://github.com/rust-lang/rust/pull/102750/)
---
 .github/workflows/ci.yml | 4 ++--
 rust-toolchain.toml      | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)
 create mode 100644 rust-toolchain.toml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f6868260b..66b93af03 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: 1.66
           override: true
           components: rustfmt, clippy
 
@@ -43,7 +43,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: 1.66
           override: true
           components: rustfmt, clippy
 
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 000000000..c08d70f5a
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "1.66"
+