diff --git a/.github/workflows/test-lang-rust-ci.yml b/.github/workflows/test-lang-rust-ci.yml
index e89f4ca65a6..a1837096311 100644
--- a/.github/workflows/test-lang-rust-ci.yml
+++ b/.github/workflows/test-lang-rust-ci.yml
@@ -49,6 +49,21 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Cache Cargo
+        uses: actions/cache@v2
+        with:
+          # these represent dependencies downloaded by cargo
+          # and thus do not depend on the OS, arch nor rust version.
+          path: ~/.cargo
+          key: cargo-cache1-
+      - name: Cache Rust dependencies
+        uses: actions/cache@v2
+        with:
+          # these represent compiled steps of both dependencies and avro
+          # and thus are specific for a particular OS, arch and rust version.
+          path: ~/target
+          key: ${{ runner.os }}-target-cache1-${{ matrix.rust }}-
+
       - name: Rust Toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -96,6 +111,21 @@ jobs:
           toolchain: stable
           override: true
 
+      - name: Cache Cargo
+        uses: actions/cache@v2
+        with:
+          # these represent dependencies downloaded by cargo
+          # and thus do not depend on the OS, arch nor rust version.
+          path: ~/.cargo
+          key: cargo-cache1-
+      - name: Cache Rust dependencies
+        uses: actions/cache@v2
+        with:
+          # these represent compiled steps of both dependencies and avro
+          # and thus are specific for a particular OS, arch and rust version.
+          path: ~/target
+          key: ${{ runner.os }}-target-cache1-stable-
+
       - name: Cache Local Maven Repository
         uses: actions/cache@v2
         with:
diff --git a/lang/rust/avro/src/schema.rs b/lang/rust/avro/src/schema.rs
index e0fcca23b44..f111e69d3b6 100644
--- a/lang/rust/avro/src/schema.rs
+++ b/lang/rust/avro/src/schema.rs
@@ -1511,8 +1511,8 @@ const RESERVED_FIELDS: &[&str] = &[
     "symbols",
     "items",
     "values",
-    "logicalType",
     "size",
+    "logicalType",
     "order",
     "doc",
     "aliases",