040000 tree f74c79af81461a36677c87dad2c9bf25812c853b	destructors
040000 tree b7dd1945a8c6e732273f5ae53bed2ac9f8e8ca01	guard
040000 tree ee929554be9191b204b625cba5d4dc91de651a22	key
100644 blob e88011aa22dadb70a6614a5fa14e9a6bd436aa8e	mod.rs
040000 tree ae342cf33a06086b6bdd4a39d0f9a141d4ad1225	native
100644 blob 936d464be9f1c39c27e4fad5ee90fa035dc78320	no_threads.rs
100644 blob 9f7a29236e92621deb54fabe349da1ae8d4eed81	os.rs