adding build caching and delaying tests as cargo is slow to start up sometimes

.gitlab-ci.yml

@@ -1,10 +1,16 @@
 image: shockrah/freechat:0.3
 
-debug-build:
+build-release:
  stage: build
  only:
  - testing
+ cache:
+  paths:
+  - target/
+  - $CI_HOME_DIR/.cargo/
+
  script:
+ - CARGO_HOME=$CI_PROJECT_DIR/.cargo
  - cd server/
  - cargo build
  - diesel setup --database-url $DATABASE_URL
@@ -13,12 +19,15 @@ debug-build:
 
 basic-test:
  stage: test
+ needs: "build-release"
  only:
  - testing
  script:
  - cd server/
  - cargo run -- -s&
  - fc_id=$!
+ - echo Sleeping to let cargo catch up
+ - sleep 3
  - cd tests/
  - bash ./main.sh body
  - kill ${fc_id}