fix workflows maybe

.github/workflows/master.yml

@@ -9,49 +9,36 @@ on:
       - master
 
 jobs:
-  misc:
-    name: Miscellaneous checks
+  stable:
+    name: Checks on stable
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: nightly
+          toolchain: stable
           components: rustfmt
 
-      - name: Check formatting
+      - name: Check Formatting
         run: cargo fmt --all --check
 
-      - name: Check bans etc.
-      - run cargo deny check advisories ban sources
-
-  stable:
-    name: Tests on stable
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Install Rust
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: stable
-
       - name: Run tests
         run: cargo test
 
   nightly:
-    name: Tests on nightly
+    name: Checks on nightly
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: nightly
-          components: miri
+          components: rustfmt
 
       - name: Run tests
         run: cargo test
 
       - name: Run tests with Miri
-        run: STRESS_TEST_ITERATIONS=5 cargo miri test
+        run: cargo miri test