Remove dependency on run-docker-image task.

.lighthouse/pipeline-rust-test.yaml

@@ -99,8 +99,32 @@ spec:
         runAfter:
           - fetch-repository
       - name: run-image
-        taskRef:
+        taskSpec:
-          name: run-docker-image
+          metadata: {}
+          stepTemplate:
+            name: ""
+            workingDir: "$(workspaces.source.path)"
+          workspaces:
+            - name: source
+              mountPath: /source
+            - name: cargo-cache
+              mountPath: /usr/local/cargo/registry
+              optional: true
+          steps:
+            - name: run
+              image: "$(params.image-name):$(tasks.fetch-repository.results.commit)"
+              workingDir: "$(workspaces.source.path)"
+              command: []
+              args:
+                [
+                  --no-default-features,
+                  --features,
+                  compare,
+                  --no-fail-fast,
+                  --lib,
+                  --test,
+                  test_loader,
+                ]
         workspaces:
           - name: source
             workspace: git-source
@@ -108,20 +132,6 @@ spec:
             workspace: cargo-cache
         runAfter:
           - build-image
-        params:
-          - name: args
-            value:
-              [
-                --no-default-features,
-                --features,
-                compare,
-                --no-fail-fast,
-                --lib,
-                --test,
-                test_loader,
-              ]
-          - name: docker-image
-            value: "$(params.image-name):$(tasks.fetch-repository.results.commit)"
     finally:
       - name: report-success
         when: