| diff --git b/rules.mk a/rules.mk | |
| index ccb9711..8005071 100644 | |
| --- b/rules.mk | |
| +++ a/rules.mk | |
| @@ -8,4 +8,9 @@ MODULE_SRCS := \ | |
| $(LOCAL_DIR)/src/lib.rs \ | |
| MODULE_RUST_EDITION := 2021 | |
| +MODULE_LIBRARY_DEPS := \ | |
| + trusty/user/base/lib/libcompiler_builtins-rust \ | |
| + trusty/user/base/lib/libcore-rust \ | |
| + external/rust/crates/serde \ | |
| + | |
| include make/library.mk |