GitHub Workflows security hardening

dtolnay · dtolnay · commit b929e1d3deb0 · 2022-09-02T15:09:32.000-07:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule: [cron: "40 1 * * *"]
 
+permissions:
+  contents: read
+
 env:
   RUSTFLAGS: -Dwarnings
 
