1diff --git b/rules.mk a/rules.mk 2index ccb9711..8005071 100644 3--- b/rules.mk 4+++ a/rules.mk 5@@ -8,4 +8,9 @@ MODULE_SRCS := \ 6 $(LOCAL_DIR)/src/lib.rs \ 7 8 MODULE_RUST_EDITION := 2021 9+MODULE_LIBRARY_DEPS := \ 10+ trusty/user/base/lib/libcompiler_builtins-rust \ 11+ trusty/user/base/lib/libcore-rust \ 12+ external/rust/crates/serde \ 13+ 14 include make/library.mk 15