CI_GH: use actions-rs

.github/workflows/ci.yml

@@ -3,11 +3,14 @@ name: MBLF CI
 on: [push]
 
 jobs:
-  build:
+  build_and_format_and_test:
+    name: Rust project
     runs-on: ubuntu-latest
-
     steps:
-      - uses: actions/checkout@v1
-      - uses: icepuma/rust-action@master
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
         with:
-          args: cargo fmt -- --check && cargo clippy -- -Dwarnings && cargo test
+          toolchain: stable
+      - run: cargo build --release
+      - run: cargo clippy -- -Dwarnings
+      - run: cargo test