cache pipelines

ci/audit.yml

@@ -4,6 +4,10 @@ image_resource:
   type: registry-image
   source: {repository: rust}
 
+# This should cache cargo audit
+caches:
+- path: "./.cargo/"
+
 inputs:
 - name: repo
 

ci/check-fmt.yml

@@ -4,15 +4,14 @@ image_resource:
   type: registry-image
   source: {repository: rust}
 
+# This should cache rustfmt
+caches:
+- path: "./.rustup/"
+
 inputs:
 - name: repo
 
 run:
-#  path: cargo
-#  args: ["fmt", "--", "--check"]
-#  dir: "repo"
-
-# TODO: create an image with cargo check already installed
   path: sh
   args:
   - -exc

ci/lint.yml

@@ -4,6 +4,10 @@ image_resource:
   type: registry-image
   source: {repository: rust}
 
+# This should cache clippy
+caches:
+- path: "./.rustup/"
+
 inputs:
 - name: repo