Cache only /cargo/ directory.

Author: pepyakin

.gitlab-ci.yml

@@ -12,6 +12,12 @@ variables:
   BUILD_ARCH:                      amd64
   CARGO_TARGET:                    x86_64-unknown-linux-gnu
 
+cache:
+  key:                             "${CI_JOB_NAME}"
+  policy: pull
+  paths:
+    - ${CI_PROJECT_DIR}/cargo/
+
 .releaseable_branches:             # list of git refs for building GitLab artifacts (think "pre-release binaries")
   only:                            &releaseable_branches
     - master