Add more from the std

crates/std/src/thread/lifecycle.rs

@@ -11,7 +11,7 @@ use crate::mem::{ManuallyDrop, MaybeUninit};
 use alloc_crate::sync::Arc;
 use crate::sync::atomic::{Atomic, AtomicUsize, Ordering};
 use crate::sys::{AsInner, IntoInner, thread as imp};
-use crate::{env, io};use core::panic;
+use crate::{env, io, panic};
 
 #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
 pub(super) unsafe fn spawn_unchecked<'scope, F, T>(