[rust:pr/1130 2/2] error[E0658]: use of unstable library feature 'dispatch_from_dyn'

[rust:pr/1130 2/2] error[E0658]: use of unstable library feature 'dispatch_from_dyn'

[kernel test robot]

tree:   https://github.com/Rust-for-Linux/linux pr/1130
head:   22607a75f562e7ffa92b8b44ac1574bcb214134d
commit: 12eb3c1dbaf6cc396bc5bbc93a9cffaf1eaa56d1 [2/2] gating behind version 1.83.0
config: x86_64-randconfig-006-20241122 (https://download.01.org/0day-ci/archive/20241123/202411231237.ai30ZJhv-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241123/202411231237.ai30ZJhv-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411231237.ai30ZJhv-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0658]: use of unstable library feature 'dispatch_from_dyn'
   --> rust/kernel/sync/arc.rs:186:40
   |
   186 | impl<T: ?Sized + Unsize<U>, U: ?Sized> core::ops::DispatchFromDyn<Arc<U>> for Arc<T> {}
   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(dispatch_from_dyn)]` to the crate attributes to enable
   = note: this compiler was built on 2024-04-29; consider upgrading it if it is out of date
--
>> error[E0658]: use of unstable library feature 'dispatch_from_dyn'
   --> rust/kernel/sync/arc.rs:492:40
   |
   492 | impl<T: ?Sized + Unsize<U>, U: ?Sized> core::ops::DispatchFromDyn<ArcBorrow<'_, U>>
   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(dispatch_from_dyn)]` to the crate attributes to enable
   = note: this compiler was built on 2024-04-29; consider upgrading it if it is out of date

-- 
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https://github.com/intel/lkp-tests/wiki