Add gh workflow

.github/workflows/main.yml

@@ -0,0 +1,75 @@
+# copy of https://github.com/actions-rs/meta/blob/master/recipes/quickstart.md
+on: [push, pull_request]
+
+name: CI
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: check
+
+  test:
+    name: Test Suite
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: build
+      - uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: test
+
+
+  lints:
+    name: Rust lints
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy
+
+      - name: Run cargo fmt
+        uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: fmt
+          args: --all -- --check
+
+      - name: Run cargo clippy
+        uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: clippy
+          args: -- --deny warnings

consensus/claro/src/claro.rs

@@ -295,7 +295,7 @@ impl<Tx: Clone + Debug> ClaroSolver<Tx> {
 
 #[cfg(test)]
 mod test {
-    use crate::claro::{Decision, ClaroConfiguration, ClaroSolver, QueryConfiguration, Vote};
+    use crate::claro::{ClaroConfiguration, ClaroSolver, Decision, QueryConfiguration, Vote};
     use crate::query::NodeQuery;
     use crate::testing::query::*;
     use crate::{Opinion, VoteQuery};

consensus/claro/src/lib.rs

@@ -6,7 +6,7 @@ mod tracing;
 pub mod testing;
 
 pub use self::claro::{
-    Decision, ClaroConfiguration, ClaroSolver, ClaroState, Opinion, QueryConfiguration, Vote,
+    ClaroConfiguration, ClaroSolver, ClaroState, Decision, Opinion, QueryConfiguration, Vote,
 };
 pub use self::query::{NodeId, NodeQuery, NodeWeight, NodesSample, VoteQuery};
 pub use self::tracing::{claro_tracing_layer_with_writer, CLARO_TARGET_TAG};