Do release build and simply job names

rust-bindings/rust/.gitlab-ci.yml

@@ -9,19 +9,31 @@ stages:
 - build
 - package
 
-libostree-sys_rust-stable:
+libostree-sys:
   stage: build
   script:
   - cargo build --verbose --package libostree-sys
   - cargo test --verbose --package libostree-sys
 
-libostree_rust-stable:
+libostree-sys_release:
+  stage: build
+  script:
+  - cargo build --verbose --release --package libostree-sys
+  - cargo test --verbose --release --package libostree-sys
+
+libostree:
   stage: build
   script:
   - cargo build --verbose --package libostree
   - cargo test --verbose --package libostree
 
-libostree-sys_rust-nightly:
+libostree_release:
+  stage: build
+  script:
+  - cargo build --verbose --release --package libostree
+  - cargo test --verbose --release --package libostree
+
+libostree-sys_nightly:
   stage: build
   image: rustlang/rust:nightly
   script:
@@ -29,7 +41,7 @@ libostree-sys_rust-nightly:
   - cargo test --verbose --package libostree-sys
   allow_failure: true
 
-libostree_rust-nightly:
+libostree_nightly:
   stage: build
   image: rustlang/rust:nightly
   script: