Update rust-installer to limit memory use

cuviper · pietroalbini · commit a06cba20cf55 · 2019-09-02T17:26:43.000+02:00
diff --git a/src/tools/rust-installer b/src/tools/rust-installer
@@ -1 +1 @@
-Subproject commit 85958b001dbff8523396809bfa844fc34a7869a8
+Subproject commit 9f66c14c3f91a48a118c7817f434167b311c3515
