CI: Create /mnt/target before trying to restore caches

Author: Turbo87

.github/workflows/ci.yml

@@ -158,6 +158,12 @@ jobs:
         with:
           persist-credentials: false
 
+      # Create a working directory on /mnt, which is a larger temporary
+      # filesystem than /, that we can then point our later commands to.
+      - run: |
+          sudo mkdir ${CARGO_TARGET_DIR}
+          sudo chown $(id -u):$(id -g) ${CARGO_TARGET_DIR}
+
       - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
         with:
           # Ensure that we cache from the right target directory. (See below
@@ -169,12 +175,6 @@ jobs:
       - run: sudo systemctl start postgresql.service
       - run: sudo -u postgres psql -c "ALTER USER postgres WITH PASSWORD 'postgres'"
 
-      # Create a working directory on /mnt, which is a larger temporary
-      # filesystem than /, that we can then point our later commands to.
-      - run: |
-          sudo mkdir ${CARGO_TARGET_DIR}
-          sudo chown $(id -u):$(id -g) ${CARGO_TARGET_DIR}
-
       - run: cargo build --tests --workspace
       - run: cargo test --workspace