[drm-misc:topic/rust-drm 13/16] warning: trait `Sealed` is never used

[kernel test robot]

tree:   git://anongit.freedesktop.org/drm/drm-misc topic/rust-drm
head:   440a8db3f583392a1a894f32782ecc397911f9af
commit: a92c0d93ee103b33d566d4e6ba88e3dc691db856 [13/16] rust: Add a Sealed trait
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240519/202405191059.dw6ssuHa-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240519/202405191059.dw6ssuHa-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405191059.dw6ssuHa-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: trait `Sealed` is never used
   --> rust/kernel/lib.rs:71:15
   |
   71 |     pub trait Sealed {}
   |               ^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

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