Fix snap build

ci/test-large-network.sh

@@ -4,12 +4,10 @@ set -e
 here=$(dirname "$0")
 cd "$here"/..
 
-if ! ci/version-check.sh stable; then
-  # This job doesn't run within a container, try once to upgrade tooling on a
-  # version check failure
-  rustup install stable
-  ci/version-check.sh stable
-fi
+# This job doesn't run within a container, try once to upgrade tooling on a
+# version check failure
+ci/version-check-with-upgrade.sh stable
+
 export RUST_BACKTRACE=1
 
 ./fetch-perf-libs.sh