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