From 8a47bf13efae0b4d844c8fb59cf33663b185db46 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 28 Mar 2023 15:42:24 +0100
Subject: [PATCH] Speed up pydantic CI lint (#15339)

---
 .github/workflows/tests.yml | 8 ++++++++
 changelog.d/15339.misc      | 1 +
 2 files changed, 9 insertions(+)
 create mode 100644 changelog.d/15339.misc

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7f57f046f..0e736cecb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -95,6 +95,14 @@ jobs:
       - uses: actions/checkout@v3
         with:
           ref: ${{ github.event.pull_request.head.sha }}
+      - name: Install Rust
+        # There don't seem to be versioned releases of this action per se: for each rust
+        # version there is a branch which gets constantly rebased on top of master.
+        # We pin to a specific commit for paranoia's sake.
+        uses: dtolnay/rust-toolchain@fc3253060d0c959bea12a59f10f8391454a0b02d
+        with:
+            toolchain: 1.58.1
+      - uses: Swatinem/rust-cache@v2
       - uses: matrix-org/setup-python-poetry@v1
         with:
           poetry-version: "1.3.2"
diff --git a/changelog.d/15339.misc b/changelog.d/15339.misc
new file mode 100644
index 000000000..626f7ef5c
--- /dev/null
+++ b/changelog.d/15339.misc
@@ -0,0 +1 @@
+Speed up pydantic CI job.