1diff --git b/rules.mk a/rules.mk
2index 078c0bb..3ccd69f 100644
3--- b/rules.mk
4+++ a/rules.mk
5@@ -14,6 +14,7 @@ MODULE_RUSTFLAGS += \
6 	--cfg 'feature="alloc"'
7
8 MODULE_LIBRARY_DEPS := \
9+	trusty/user/base/lib/liballoc-rust \
10 	$(call FIND_CRATE,bitflags) \
11 	$(call FIND_CRATE,log) \
12 	$(call FIND_CRATE,zerocopy) \
13