ci: slim down

* build binaries in one go
* have bors look at specific jobs and not meta-jobs
* don't do objdump anymore (gdb/embed handle elfs)
* include a nightly build

.github/bors.toml

@@ -1,3 +1,7 @@
 block_labels = [ "S-blocked" ]
 delete_merged_branches = true
-status = ["ci"]
+status = [
+  "style",
+  "test",
+  "compile (stable, false)",
+]

.github/workflows/ci.yml

@@ -16,11 +16,9 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          profile: minimal
           toolchain: stable
           target: thumbv7em-none-eabihf
           override: true
-          components: rustfmt, clippy
       - name: cargo fmt --check
         uses: actions-rs/cargo@v1
         with:
@@ -37,59 +35,36 @@ jobs:
 
   compile:
     runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.optional }}
     strategy:
       matrix:
-        toolchain:
-          - stable
-        bin:
-          - dual-iir
-          - lockin-internal
-          - lockin-external
-        features:
-          - ''
+        toolchain: [stable]
+        features: ['']
+        optional: [false]
         include:
           - toolchain: beta
-            bin: dual-iir
-            features: ''
           - toolchain: stable
-            bin: lockin-internal
             features: pounder_v1_1
+          - toolchain: nightly
+            features: nightly
+            optional: true
     steps:
       - uses: actions/checkout@v2
-      - name: Install Rust ${{ matrix.toolchain }}
-        uses: actions-rs/toolchain@v1
+      - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
           target: thumbv7em-none-eabihf
           override: true
-          components: llvm-tools-preview
-      - name: cargo build release
-        uses: actions-rs/cargo@v1
+      - uses: actions-rs/cargo@v1
         with:
           command: build
-          args: --release --features "${{ matrix.features }}" --bin ${{ matrix.bin }}
-      - name: cargo-binutils
-        uses: actions-rs/cargo@v1
-        with:
-          command: install
-          args: cargo-binutils
-      - name: cargo size
-        uses: actions-rs/cargo@v1
-        with:
-          command: size
-          args: --release --features "${{ matrix.features }}" --bin ${{ matrix.bin }}
-      - name: cargo objcopy
-        uses: actions-rs/cargo@v1
-        with:
-          command: objcopy
-          args: --release --features "${{ matrix.features }}" --bin ${{ matrix.bin }} --verbose -- -O binary ${{ matrix.bin }}-release.bin
+          args: --release --features "${{ matrix.features }}"
       - uses: actions/upload-artifact@v2
         if: ${{ matrix.toolchain == 'stable' && matrix.features == '' }}
         with:
-          name: stabilizer_${{ matrix.bin }}
+          name: stabilizer
           path: |
-            target/*/release/${{ matrix.bin }}
-            ${{ matrix.bin }}-release.bin
+            target/*/release/dual-iir
 
   test:
     runs-on: ubuntu-latest
@@ -100,8 +75,7 @@ jobs:
           - beta
     steps:
       - uses: actions/checkout@v2
-      - name: Install Rust ${{ matrix.toolchain }}
-        uses: actions-rs/toolchain@v1
+      - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
       - name: cargo test
@@ -114,28 +88,3 @@ jobs:
         with:
           command: bench
           args: --package dsp --target=x86_64-unknown-linux-gnu
-
-  # Tell bors about it
-  # https://github.com/rtic-rs/cortex-m-rtic/blob/8a4f9c6b8ae91bebeea0791680f89375a78bffc6/.github/workflows/build.yml#L566-L603
-  ci-success:
-    name: ci
-    if: github.event_name == 'push' && success()
-    needs:
-      - style
-      - compile
-      - test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Mark the job as a success
-        run: exit 0
-  ci-failure:
-    name: ci
-    if: github.event_name == 'push' && !success()
-    needs:
-      - style
-      - compile
-      - test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Mark the job as a failure
-        run: exit 1