merged build steps

.github/workflows/build_and_test.yml

@@ -8,14 +8,32 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  default:
+  ubuntu:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Build
+    - name: Default Build
       run: cargo build --verbose
-    - name: Test
+    - name: Default Test
       run: cargo test --verbose
+    - name: Build all features
+      run: cd libafl && cargo build --all-features --verbose
+    - name: Test all features
+      run: cd libafl && cargo test --all-features --verbose
+    - name: Build no_std
+      run: cd libafl && cargo build --no-default-features --verbose
+    - name: Test no_std
+      run: cd libafl && cargo test --no-default-features --verbose
+    - name: Build examples
+      run: cargo build --examples --verbose
+    - uses: actions/checkout@v2
+    - name: Format
+      run: cargo fmt -- --check
+    - uses: actions/checkout@v2
+    - name: Build Docs
+      run: cargo doc
+    - name: Test Docs
+      run: cargo test --doc
   windows:
     runs-on: windows-latest
     steps:
@@ -24,39 +42,3 @@ jobs:
       run: cargo build --verbose
     - name: Windows Test
       run: cargo test --verbose
-  all-features:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build all features
-      run: cd libafl && cargo build --all-features --verbose
-    - name: Test all features
-      run: cd libafl && cargo test --all-features --verbose
-  no-std:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build no_std
-      run: cd libafl && cargo build --no-default-features --verbose
-    - name: Test no_std
-      run: cd libafl && cargo test --no-default-features --verbose
-  examples:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build examples
-      run: cargo build --examples --verbose
-  fmt:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Format
-      run: cargo fmt -- --check
-  docs:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build Docs
-      run: cargo doc
-    - name: Test Docs
-      run: cargo test --doc