quick followup fix for incremental compilation

.github/workflows/ci-image.yml

@@ -25,11 +25,10 @@ jobs:
 
       - name: Build and Push
         uses: docker/build-push-action@v3
-        env:
-          CARGO_INCREMENTAL: 0  
         with:
           context: .
           platforms: linux/amd64
           push: false
           build-args: |
             VERSION=latest
+            CARGO_INCREMENTAL=0

.github/workflows/ghcr-image.yml

@@ -37,15 +37,14 @@ jobs:
       -
         name: Build and Push
         uses: docker/build-push-action@v3
-        env:
-          CARGO_INCREMENTAL: 0
         with:
           context: .
           file: ./prod/Dockerfile
           platforms: linux/amd64,linux/arm64
           push: true
           build-args: |
             VERSION=${{ github.ref_name }}
+            CARGO_INCREMENTAL=0            
           tags: |
             ghcr.io/${{ env.REPOSITORY_PATH }}:v${{ github.ref_name }}
             ghcr.io/${{ env.REPOSITORY_PATH }}:${{ env.REPOSITORY_SHA }}

Dockerfile

@@ -1,4 +1,6 @@
 FROM ghcr.io/xmtp/rust:latest
+ARG CARGO_INCREMENTAL
+
 USER xmtp
 
 RUN sudo apt update && sudo apt install -y pkg-config openssl libssl-dev
@@ -10,6 +12,7 @@ COPY --chown=xmtp:xmtp . .
 ENV PATH=~xmtp/.cargo/bin:$PATH
 ENV USER=xmtp
 
+ENV CARGO_INCREMENTAL=${CARGO_INCREMENTAL:-1}
 RUN cargo check
 RUN cargo fmt --check
 RUN cargo clippy --all-features --no-deps -- -D warnings