chore: upgrade to rust 1.64.0

Makefile

@@ -4,7 +4,7 @@ default: ;
 
 install-cargo:
 	curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs |\
-		sh -s -- -y --profile default --default-toolchain 1.63.0
+		sh -s -- -y --profile default --default-toolchain 1.64.0
 
 centos7-cmake3:
 	[ -f /usr/bin/cmake ] && sudo rm /usr/bin/cmake

docker-build-base/Dockerfile

@@ -29,7 +29,7 @@ ENV PATH=/opt/rh/devtoolset-7/root/usr/bin:${PATH}
 ENV PATH=/root/.cargo/bin:${PATH}
 RUN set -e; \
     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs |\
-    sh -s -- -y --profile default --default-toolchain 1.63.0;
+    sh -s -- -y --profile default --default-toolchain 1.64.0;
 
 ENV PATH=/root/.rocks/bin:${PATH}
 RUN set -e; \