From 218cbc84ca4c20469fb32812966d065b101a2a0a Mon Sep 17 00:00:00 2001
From: CoreOS Bot <coreosbot@fedoraproject.org>
Date: Tue, 30 May 2023 20:58:24 +0000
Subject: [PATCH] =?UTF-8?q?Sync=20repo=20templates=20=E2=9A=99?=
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Sync with coreos/repo-templates@2e7a1b1e64d836647ccd200e73dbfe64d4ab0de8.
---
 .github/workflows/rust.yml | 61 +++++++++++++++++++++++---------------
 1 file changed, 37 insertions(+), 24 deletions(-)

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 1bdcff9..6588ffd 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,96 +1,109 @@
----
-name: Rust
+# Maintained in https://github.com/coreos/repo-templates
+# Do not edit downstream.
 
+name: Rust
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
-
+    branches: [main]
 permissions:
   contents: read
 
+# don't waste job slots on superseded code
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   CARGO_TERM_COLOR: always
   # Minimum supported Rust version (MSRV)
-  ACTION_MSRV_TOOLCHAIN: 1.61.0
+  MSRV: 1.61.0
   # Pinned toolchain for linting
-  ACTION_LINTS_TOOLCHAIN: 1.61.0
+  ACTIONS_LINTS_TOOLCHAIN: 1.69.0
 
 jobs:
   tests-stable:
-    name: "Tests, stable toolchain"
+    name: Tests, stable toolchain
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
+      - name: Check out repository
         uses: actions/checkout@v3
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
+      - name: Cache build artifacts
+        uses: Swatinem/rust-cache@v2
       - name: cargo build
         run: cargo build
       - name: cargo test
         run: cargo test
   tests-release-stable:
-    name: "Tests (release), stable toolchain"
+    name: Tests (release), stable toolchain
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
+      - name: Check out repository
         uses: actions/checkout@v3
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
+      - name: Cache build artifacts
+        uses: Swatinem/rust-cache@v2
       - name: cargo build (release)
         run: cargo build --release
       - name: cargo test (release)
         run: cargo test --release
   tests-release-msrv:
-    name: "Tests (release), minimum supported toolchain"
+    name: Tests (release), minimum supported toolchain
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
+      - name: Check out repository
         uses: actions/checkout@v3
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
-          toolchain: ${{ env['ACTION_MSRV_TOOLCHAIN']  }}
+          toolchain: ${{ env.MSRV }}
+      - name: Cache build artifacts
+        uses: Swatinem/rust-cache@v2
       - name: cargo build (release)
         run: cargo build --release
       - name: cargo test (release)
         run: cargo test --release
   linting:
-    name: "Lints, pinned toolchain"
+    name: Lints, pinned toolchain
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
+      - name: Check out repository
         uses: actions/checkout@v3
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
-          toolchain: ${{ env['ACTION_LINTS_TOOLCHAIN']  }}
+          toolchain: ${{ env.ACTIONS_LINTS_TOOLCHAIN }}
           components: rustfmt, clippy
-      - name: cargo clippy (warnings)
-        run: cargo clippy -- -D warnings
+      - name: Cache build artifacts
+        uses: Swatinem/rust-cache@v2
       - name: cargo fmt (check)
         run: cargo fmt -- --check -l
+      - name: cargo clippy (warnings)
+        run: cargo clippy -- -D warnings
   tests-other-channels:
-    name: "Tests, unstable toolchain"
+    name: Tests, unstable toolchain
     runs-on: ubuntu-latest
     continue-on-error: true
     strategy:
       matrix:
-        channel:
-          - "beta"
-          - "nightly"
+        channel: [beta, nightly]
     steps:
-      - name: Checkout repository
+      - name: Check out repository
         uses: actions/checkout@v3
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.channel }}
+      - name: Cache build artifacts
+        uses: Swatinem/rust-cache@v2
       - name: cargo build
         run: cargo build
       - name: cargo test