diff --git a/rust-version b/rust-version
index f1ed3be2ed..d394ab5a7a 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-d4be8efc6296bace5b1e165f1b34d3c6da76aa8e
+71ef9ecbdedb67c32f074884f503f8e582855c2f
diff --git a/src/lib.rs b/src/lib.rs
index 5c8aba6d44..f67a718ba7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,6 @@
 #![feature(yeet_expr)]
 #![feature(nonzero_ops)]
 #![feature(local_key_cell_methods)]
-#![feature(is_terminal)]
 #![feature(round_ties_even)]
 // Configure clippy and other lints
 #![allow(
diff --git a/tests/panic/oob_subslice.rs b/tests/panic/oob_subslice.rs
new file mode 100644
index 0000000000..4e79b6a99e
--- /dev/null
+++ b/tests/panic/oob_subslice.rs
@@ -0,0 +1,7 @@
+// This once failed with "unwinding past a stack frame that does not allow unwinding",
+// fixed by https://github.com/rust-lang/rust/issues/110233.
+
+fn main() {
+    let x = [1, 2, 3, 4];
+    let _val = &x[..=4];
+}
diff --git a/tests/panic/oob_subslice.stderr b/tests/panic/oob_subslice.stderr
new file mode 100644
index 0000000000..4c6deaeccf
--- /dev/null
+++ b/tests/panic/oob_subslice.stderr
@@ -0,0 +1,2 @@
+thread 'main' panicked at 'range end index 5 out of range for slice of length 4', $DIR/oob_subslice.rs:LL:CC
+note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
diff --git a/tests/pass/shims/fs.rs b/tests/pass/shims/fs.rs
index 7a9974f393..e379288de0 100644
--- a/tests/pass/shims/fs.rs
+++ b/tests/pass/shims/fs.rs
@@ -3,7 +3,6 @@
 
 #![feature(io_error_more)]
 #![feature(io_error_uncategorized)]
-#![feature(is_terminal)]
 
 use std::collections::HashMap;
 use std::ffi::{c_char, OsString};
diff --git a/tests/pass/shims/io.rs b/tests/pass/shims/io.rs
index 4d43549a93..295723957a 100644
--- a/tests/pass/shims/io.rs
+++ b/tests/pass/shims/io.rs
@@ -1,5 +1,3 @@
-#![feature(is_terminal)]
-
 use std::io::IsTerminal;
 
 fn main() {