Add cargo hack to check workflow (#974)

* Add cargo hack to check workflow

* Cancel runs in same ref on push

This will automatically cancel runs with the same head ref (i.e. a PR).
Note that this will not cancel builds for pushes to branches (such as
main).

* Remove duplicate mold install

.github/workflows/ci.yml

@@ -6,7 +6,9 @@ on:
        - 'dependabot/**'
   pull_request:
   workflow_dispatch:
-
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
 env:
   DOCKER_BUILDKIT: 1
 
@@ -92,6 +94,24 @@ jobs:
           command: check
           args: --all-features
 
+  hack:
+    name: Hack
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: Cache
+        uses: Swatinem/rust-cache@v1
+      - name: Install cargo-hack
+        uses: taiki-e/install-action@cargo-hack
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Hack
+        run: cargo hack --feature-powerset check
+
   test:
     name: Tests
     runs-on: ubuntu-latest
@@ -107,8 +127,6 @@ jobs:
         uses: rui314/setup-mold@v1
       - name: Cache
         uses: Swatinem/rust-cache@v1
-      - name: Mold
-        uses: rui314/setup-mold@v1
       - name: Checkout
         uses: actions/checkout@v3
       - name: Install nextest
@@ -193,8 +211,6 @@ jobs:
         uses: rui314/setup-mold@v1
       - name: Cache
         uses: Swatinem/rust-cache@v1
-      - name: Mold
-        uses: rui314/setup-mold@v1
       - name: Checkout
         uses: actions/checkout@v3
       - name: Install northstar-nstar

CHANGELOG.md

@@ -10,6 +10,7 @@ This release bumps the MSRV of Northstar to 1.66.1. ([#884]).
 - runtime: Scheduling policy by manifest ([#970])
 - tests: Patch manifest of prebuilt container (`northstar_tests::containers::with_manifest`)
   ([#973])
+- ci: Add [cargo-hack](https://github.com/taiki-e/cargo-hack) ([#974])
 
 ## Changed
 
@@ -82,6 +83,7 @@ This release bumps the MSRV of Northstar to 1.66.1. ([#884]).
 [#970]: https://github.com/esrlabs/northstar/pull/970
 [#972]: https://github.com/esrlabs/northstar/pull/972
 [#973]: https://github.com/esrlabs/northstar/pull/973
+[#974]: https://github.com/esrlabs/northstar/pull/974
 
 # 0.7.1 (March 21th, 2023)