diff --git a/rust-version b/rust-version
index eb973aa08156..71d06eff494c 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-6d3f1beae1720055e5a30f4dbe7a9e7fb810c65e
+1603a70f82240ba2d27f72f964e36614d7620ad3
diff --git a/tests/pass/backtrace/backtrace-global-alloc.rs b/tests/pass/backtrace/backtrace-global-alloc.rs
index 406a5b62333d..6660e5bb57c0 100644
--- a/tests/pass/backtrace/backtrace-global-alloc.rs
+++ b/tests/pass/backtrace/backtrace-global-alloc.rs
@@ -1,8 +1,6 @@
 //@compile-flags: -Zmiri-disable-isolation
 //@rustc-env: RUST_BACKTRACE=1
 
-#![feature(backtrace)]
-
 use std::alloc::System;
 use std::backtrace::Backtrace;
 
diff --git a/tests/pass/backtrace/backtrace-std.rs b/tests/pass/backtrace/backtrace-std.rs
index 9106310e513d..b2a5ac180298 100644
--- a/tests/pass/backtrace/backtrace-std.rs
+++ b/tests/pass/backtrace/backtrace-std.rs
@@ -1,8 +1,6 @@
 //@compile-flags: -Zmiri-disable-isolation
 //@rustc-env: RUST_BACKTRACE=1
 
-#![feature(backtrace)]
-
 use std::backtrace::Backtrace;
 
 #[inline(never)]
diff --git a/tests/pass/integer-ops.rs b/tests/pass/integer-ops.rs
index 8608d12d4d87..724be9efc9f8 100644
--- a/tests/pass/integer-ops.rs
+++ b/tests/pass/integer-ops.rs
@@ -176,10 +176,12 @@ pub fn main() {
     // Logarithms
     macro_rules! test_log {
         ($type:ident, $max_log2:expr, $max_log10:expr) => {
-            assert_eq!($type::MIN.checked_log2(), None);
-            assert_eq!($type::MIN.checked_log10(), None);
-            assert_eq!($type::MAX.checked_log2(), Some($max_log2));
-            assert_eq!($type::MAX.checked_log10(), Some($max_log10));
+            assert_eq!($type::MIN.checked_ilog2(), None);
+            assert_eq!($type::MIN.checked_ilog10(), None);
+            assert_eq!($type::MAX.checked_ilog2(), Some($max_log2));
+            assert_eq!($type::MAX.checked_ilog10(), Some($max_log10));
+            assert_eq!($type::MAX.ilog2(), $max_log2);
+            assert_eq!($type::MAX.ilog10(), $max_log10);
         };
     }
 
@@ -195,9 +197,9 @@ pub fn main() {
     test_log!(u128, 127, 38);
 
     for i in (1..=i16::MAX).step_by(i8::MAX as usize) {
-        assert_eq!(i.checked_log(13), Some((i as f32).log(13.0) as u32));
+        assert_eq!(i.checked_ilog(13), Some((i as f32).log(13.0) as u32));
     }
     for i in (1..=u16::MAX).step_by(i8::MAX as usize) {
-        assert_eq!(i.checked_log(13), Some((i as f32).log(13.0) as u32));
+        assert_eq!(i.checked_ilog(13), Some((i as f32).log(13.0) as u32));
     }
 }