diff --git a/src/main.rs b/src/main.rs
index f63c65ed..22094add 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,3 @@
-#![feature(lang_items)]
-#![feature(global_asm)]
-#![feature(asm)]
 #![no_std]
 #![no_main]
 
@@ -380,12 +377,6 @@ pub fn panic(info: &PanicInfo) -> ! {
     loop {}
 }
 
-#[lang = "eh_personality"]
-#[no_mangle]
-pub extern "C" fn eh_personality() {
-    loop {}
-}
-
 #[no_mangle]
 pub extern "C" fn _Unwind_Resume() {
     loop {}
diff --git a/test-kernel/Cargo.lock b/test-kernel/Cargo.lock
index 5d0ef56f..a76396ee 100644
--- a/test-kernel/Cargo.lock
+++ b/test-kernel/Cargo.lock
@@ -1,10 +1,12 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "bit_field"
-version = "0.9.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed8765909f9009617974ab6b7d332625b320b33c326b1e9321382ef1999b5d56"
+checksum = "dcb6dd1c2376d2e096796e234a70e17e94cc2d5d54ff8ce42b28cef1d0d359a4"
 
 [[package]]
 name = "bitflags"
@@ -19,12 +21,19 @@ dependencies = [
  "x86_64",
 ]
 
+[[package]]
+name = "volatile"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4c2dbd44eb8b53973357e6e207e370f0c1059990df850aca1eca8947cf464f0"
+
 [[package]]
 name = "x86_64"
-version = "0.13.2"
+version = "0.14.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b871116e3c83dad0795580b10b2b1dd05cb52ec719af36180371877b09681f7f"
+checksum = "958ab3202b01bc43ba2eb832102c4a487ed93151667a2289062e5f2b00058be2"
 dependencies = [
  "bit_field",
  "bitflags",
+ "volatile",
 ]