1diff --git b/rules.mk a/rules.mk 2index abb2410..95c1743 100644 3--- b/rules.mk 4+++ a/rules.mk 5@@ -13,9 +13,4 @@ MODULE_RUSTFLAGS += \ 6 --cfg 'feature="race"' \ 7 --cfg 'feature="std"' \ 8 9-MODULE_LIBRARY_DEPS := \ 10- external/rust/crates/atomic_polyfill \ 11- external/rust/crates/critical_section \ 12- external/rust/crates/parking_lot_core \ 13- 14 include make/library.mk 15