ci (gitlab-ci): Use gitlab-ci matrix feature.

Author: KokaKiwi

.gitlab-ci-matrix.yml

@@ -2,198 +2,46 @@ stages:
   - compile
   - test
 
-compile:rust-stable:
-  image: liuchong/rustup:stable
+compile:
   stage: compile
+  image: liuchong/rustup:$RUST_VERSION
   script:
     - cargo build
   cache:
-    key: $CI_COMMIT_REF_SLUG:$RUST_KEY
+    key: "$CI_COMMIT_REF_SLUG:$RUST_VERSION"
     paths:
-      - /root/.cargo/git
-      - /root/.cargo/registry
       - target/
-  artifacts:
-    paths:
-      - target/
-  variables:
-    RUST_KEY: rust-stable
-
-compile:rust-stable-musl:
-  image: liuchong/rustup:stable-musl
-  stage: compile
-  script:
-    - cargo build
-  cache:
-    key: $CI_COMMIT_REF_SLUG:$RUST_KEY
-    paths:
-      - /root/.cargo/git
-      - /root/.cargo/registry
-      - target/
-  artifacts:
-    paths:
-      - target/
-  variables:
-    RUST_KEY: rust-stable-musl
-
-compile:rust-beta:
-  image: liuchong/rustup:stable
-  stage: compile
-  script:
-    - cargo build
-  cache:
-    key: $CI_COMMIT_REF_SLUG:$RUST_KEY
-    paths:
-      - /root/.cargo/git
-      - /root/.cargo/registry
-      - target/
-  artifacts:
-    paths:
-      - target/
-  variables:
-    RUST_KEY: rust-beta
-
-compile:rust-beta-musl:
-  image: liuchong/rustup:stable-musl
-  stage: compile
-  script:
-    - cargo build
-  cache:
-    key: $CI_COMMIT_REF_SLUG:$RUST_KEY
-    paths:
-      - /root/.cargo/git
-      - /root/.cargo/registry
-      - target/
-  artifacts:
-    paths:
-      - target/
-  variables:
-    RUST_KEY: rust-beta-musl
-
-compile:rust-nightly:
-  image: liuchong/rustup:stable
-  stage: compile
-  script:
-    - cargo build
-  cache:
-    key: $CI_COMMIT_REF_SLUG:$RUST_KEY
-    paths:
-      - /root/.cargo/git
-      - /root/.cargo/registry
-      - target/
-  artifacts:
-    paths:
-      - target/
-  variables:
-    RUST_KEY: rust-nightly
-  allow_failure: true
-
-compile:rust-nightly-musl:
-  image: liuchong/rustup:stable-musl
-  stage: compile
-  script:
-    - cargo build
-  cache:
-    key: $CI_COMMIT_REF_SLUG:$RUST_KEY
-    paths:
-      - /root/.cargo/git
-      - /root/.cargo/registry
-      - target/
-  artifacts:
-    paths:
-      - target/
-  variables:
-    RUST_KEY: rust-nightly-musl
-  allow_failure: true
-
-test:rust-stable:
-  image: liuchong/rustup:stable
-  stage: test
-  dependencies:
-    - compile:rust-stable
-  script:
-    - cargo test
-    - cargo test --features serde
-    - cargo test --no-default-features
-    - cargo test --no-default-features --features std
-    - cargo test --no-default-features --features alloc
-    - cargo test --no-default-features --features serde
-  variables:
-    RUST_KEY: rust-stable
-
-test:rust-stable-musl:
-  image: liuchong/rustup:stable-musl
-  stage: test
-  dependencies:
-    - compile:rust-stable-musl
-  script:
-    - cargo test
-    - cargo test --features serde
-    - cargo test --no-default-features
-    - cargo test --no-default-features --features std
-    - cargo test --no-default-features --features alloc
-    - cargo test --no-default-features --features serde
-  variables:
-    RUST_KEY: rust-stable-musl
-
-test:rust-beta:
-  image: liuchong/rustup:stable
-  stage: test
-  dependencies:
-    - compile:rust-beta
-  script:
-    - cargo test
-    - cargo test --features serde
-    - cargo test --no-default-features
-    - cargo test --no-default-features --features std
-    - cargo test --no-default-features --features alloc
-    - cargo test --no-default-features --features serde
-  variables:
-    RUST_KEY: rust-beta
-
-test:rust-beta-musl:
-  image: liuchong/rustup:stable-musl
-  stage: test
-  dependencies:
-    - compile:rust-beta-musl
-  script:
-    - cargo test
-    - cargo test --features serde
-    - cargo test --no-default-features
-    - cargo test --no-default-features --features std
-    - cargo test --no-default-features --features alloc
-    - cargo test --no-default-features --features serde
-  variables:
-    RUST_KEY: rust-beta-musl
+  parallel:
+    matrix:
+      - RUST_VERSION:
+          - stable
+          - stable-musl
+          - beta
+          - beta-musl
+          - nightly
+          - nightly-musl
 
-test:rust-nightly:
-  image: liuchong/rustup:stable
+test:
   stage: test
-  dependencies:
-    - compile:rust-nightly
+  image: liuchong/rustup:$RUST_VERSION
   script:
     - cargo test
-    - cargo test --features serde
     - cargo test --no-default-features
-    - cargo test --no-default-features --features std
     - cargo test --no-default-features --features alloc
-    - cargo test --no-default-features --features serde
-  variables:
-    RUST_KEY: rust-nightly
-  allow_failure: true
-
-test:rust-nightly-musl:
-  image: liuchong/rustup:stable-musl
-  stage: test
-  dependencies:
-    - compile:rust-nightly-musl
-  script:
-    - cargo test
-    - cargo test --features serde
-    - cargo test --no-default-features
     - cargo test --no-default-features --features std
-    - cargo test --no-default-features --features alloc
     - cargo test --no-default-features --features serde
-  variables:
-    RUST_KEY: rust-nightly-musl
-  allow_failure: true
+  cache:
+    key: "$CI_COMMIT_REF_SLUG:$RUST_VERSION"
+    paths:
+      - target/
+  needs:
+    - compile
+  parallel:
+    matrix:
+      - RUST_VERSION:
+          - stable
+          - stable-musl
+          - beta
+          - beta-musl
+          - nightly
+          - nightly-musl