Force builds to use the same rust version (#458)

Author: JasonVranek

provisioning/build.Dockerfile

@@ -73,6 +73,7 @@ COPY . .
 RUN if [ -f ${BUILD_VAR_SCRIPT} ]; then \
       chmod +x ${BUILD_VAR_SCRIPT} && \
       . ${BUILD_VAR_SCRIPT} && \
+      rustup target add ${TARGET} && \
       echo "Cross-compilation environment set up for ${TARGET}"; \
     else \
       echo "No cross-compilation needed"; \

rust-toolchain.toml

@@ -1,2 +1,3 @@
 [toolchain]
-channel = "1.91.0"
+channel = "1.91"
+targets = ["aarch64-unknown-linux-gnu", "x86_64-unknown-linux-gnu"]