From 97f9c3c6d5a1aa49647614d818a1971a9edf138a Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 25 Oct 2022 10:11:13 +0100
Subject: [PATCH 1/2] Cache rust build deps in trial CI

---
 .github/workflows/tests.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1115dcc5f395..ff5cf0c534de 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -167,6 +167,14 @@ jobs:
             -e POSTGRES_PASSWORD=postgres \
             -e POSTGRES_INITDB_ARGS="--lc-collate C --lc-ctype C --encoding UTF8" \
             postgres:${{ matrix.job.postgres-version }}
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: 1.58.1
+            override: true
+      - uses: Swatinem/rust-cache@v2
+
       - uses: matrix-org/setup-python-poetry@v1
         with:
           python-version: ${{ matrix.job.python-version }}

From fc4574a7fac4e1191a58e89445aeb21bc2feeb87 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 25 Oct 2022 10:13:02 +0100
Subject: [PATCH 2/2] Newsfile

---
 changelog.d/14287.misc | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog.d/14287.misc

diff --git a/changelog.d/14287.misc b/changelog.d/14287.misc
new file mode 100644
index 000000000000..85c6dc2765a0
--- /dev/null
+++ b/changelog.d/14287.misc
@@ -0,0 +1 @@
+Add Rust cache to CI for `trial` runs.