ci: check lints and formatting

.github/workflows/rust.yml

@@ -2,21 +2,24 @@ name: Rust
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 env:
   CARGO_TERM_COLOR: always
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - uses: actions/checkout@v3
+      - name: Build
+        run: cargo build --verbose
+      - name: Run tests
+        run: cargo test --verbose
+      - name: Lint
+        run: cargo clippy
+      - name: Check formatting
+        run: cargo fmt -- --check

src/main.rs

@@ -1,3 +1,5 @@
+#![deny(clippy::all)]
+
 use colored::*;
 use rand::Rng;
 use std::collections::HashMap;