* Add Nick's changes's squashed

* Fix frontend compilation

* Re-enable Rust CI

* Add changes with conflicted badly

* Restructure import_module! macro in order to avoid unstable features

* Kill old unstable feature enablement

* Refactor common to use new APIs

* Move the code to stable

* Fix warning

Co-authored-by: Nick Hynes <nhynes@oasislabs.com>