added freeRTOS on linux build

mission_rust/src/lib.rs

@@ -24,7 +24,7 @@ fn panic(panic: &PanicInfo<'_>) -> ! {
     sifln!("");
     sif!("in task \"");
     unsafe {
-        //TODO is from_ptr safe enough?
+        //osal::get_task_name is implemented safely in C, so we trust it
         let task_name = core::ffi::CStr::from_ptr(osal::get_task_name());
         let task_name_utf8 = core::str::from_utf8(task_name.to_bytes());
         match task_name_utf8 {
@@ -62,6 +62,11 @@ extern "C" fn rust_assert_called(ptr: *const core::ffi::c_char, line: core::ffi:
     panic!("assertion failed at {file_name}:{}", line);
 }
 
+#[no_mangle]
+extern "C" fn rust_alloc_failed(){
+    panic!("allocation failed!");
+}
+
 #[no_mangle]
 extern "C" fn rust_main() {
     sifln!("Rust startup 🚀");