diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index a1c56cb7f4..ceaaa7832d 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2024-08-01"
+channel = "nightly-2024-09-01"
 components = [
     "llvm-tools",
     "rust-src",
diff --git a/src/fd/mod.rs b/src/fd/mod.rs
index 1f0c2f652d..528d290bf0 100644
--- a/src/fd/mod.rs
+++ b/src/fd/mod.rs
@@ -365,6 +365,8 @@ async fn poll_fds(fds: &mut [PollFd]) -> io::Result<u64> {
 	.await
 }
 
+/// Wait for some event on a file descriptor.
+///
 /// The unix-like `poll` waits for one of a set of file descriptors
 /// to become ready to perform I/O. The set of file descriptors to be
 /// monitored is specified in the `fds` argument, which is an array
@@ -383,6 +385,8 @@ pub fn poll(fds: &mut [PollFd], timeout: Option<Duration>) -> io::Result<u64> {
 	result
 }
 
+/// Wait for some event on a file descriptor.
+///
 /// `eventfd` creates an linux-like "eventfd object" that can be used
 /// as an event wait/notify mechanism by user-space applications, and by
 /// the kernel to notify user-space applications of events. The
diff --git a/src/lib.rs b/src/lib.rs
index 964c8e2e95..04efe7b6ac 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,7 +13,6 @@
 )]
 #![cfg_attr(target_arch = "x86_64", feature(abi_x86_interrupt))]
 #![feature(allocator_api)]
-#![feature(asm_const)]
 #![feature(exposed_provenance)]
 #![feature(linked_list_cursors)]
 #![feature(map_try_insert)]
@@ -21,7 +20,6 @@
 #![feature(maybe_uninit_slice)]
 #![feature(naked_functions)]
 #![feature(never_type)]
-#![feature(new_uninit)]
 #![feature(noop_waker)]
 #![feature(slice_from_ptr_range)]
 #![feature(slice_ptr_get)]