[tool] Update pipeline to fail whenever there is a warning during com…

…pilation

.circleci/config.yml

@@ -7,6 +7,9 @@ orbs:
 jobs:
   windows_x86_64_compile:
     executor: win/default
+    environment:
+      # Fail the build if there are warnings
+      RUSTFLAGS: '-D warnings'
     steps:
       - checkout
       - restore_cache:
@@ -18,7 +21,7 @@ jobs:
       - run: ./rustup-init.exe -vy
       - run: rustup toolchain install stable-x86_64-pc-windows-msvc
       - run: rustup default stable-x86_64-pc-windows-msvc
-      - run: cargo build --release -Dwarnings
+      - run: cargo build --release
       - save_cache:
           key: cargo-{{ arch }}-{{ checksum "Cargo.toml" }}
           paths: