CI optomizations

cumulus/.gitlab-ci.yml

@@ -11,22 +11,17 @@ stages:
 
 variables:
   GIT_STRATEGY:                    fetch
+  GIT_DEPTH:                       3
   CARGO_HOME:                      "/ci-cache/${CI_PROJECT_NAME}/cargo/${CI_JOB_NAME}"
   SCCACHE_DIR:                     "/ci-cache/${CI_PROJECT_NAME}/sccache"
   CARGO_INCREMENTAL:               0
   CI_SERVER_NAME:                  "GitLab CI"
 
-.collect-artifacts:                &collect-artifacts
-  artifacts:
-    name:                          "${CI_JOB_NAME}_${CI_COMMIT_REF_NAME}"
-    when:                          on_success
-    expire_in:                     7 days
-    paths:
-      - artifacts/
-
 .docker-env:                       &docker-env
   image:                           parity/rust-builder:latest
   before_script:
+    - cargo -vV
+    - rustc -vV
     - rustup show
     - cargo --version
     - sccache -s
@@ -36,9 +31,11 @@ variables:
     - schedules
     - web
     - /^[0-9]+$/                   # PRs
+  dependencies:                    []
+  interruptible:                   true
   retry:
     max: 2
-    when: 
+    when:
       - runner_system_failure
       - unknown_failure
       - api_failure