Re: [PATCH 1/6] rust: num: add `shr` and `shl` methods to `Bounded`
From: kernel test robot
Date: Tue Jan 20 2026 - 11:13:34 EST
Hi Alexandre,
kernel test robot noticed the following build errors:
[auto build test ERROR on 2af6ad09fc7dfe9b3610100983cccf16998bf34d]
url: https://github.com/intel-lab-lkp/linux/commits/Alexandre-Courbot/rust-num-add-shr-and-shl-methods-to-Bounded/20260120-143042
base: 2af6ad09fc7dfe9b3610100983cccf16998bf34d
patch link: https://lore.kernel.org/r/20260120-register-v1-1-723a1743b557%40nvidia.com
patch subject: [PATCH 1/6] rust: num: add `shr` and `shl` methods to `Bounded`
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260120/202601202328.hnTsogt9-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601202328.hnTsogt9-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601202328.hnTsogt9-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
>> error[E0658]: const arguments cannot yet be inferred with `_`
--> rust/doctests_kernel_generated.rs:10572:47
|
10572 | let v_shifted: Bounded::<u32, 8> = v.shr::<8, _>();
| ^
|
= note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
= help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
= note: this compiler was built on 2025-06-23; consider upgrading it if it is out of date
--
>> error[E0658]: const arguments cannot yet be inferred with `_`
--> rust/doctests_kernel_generated.rs:10630:48
|
10630 | let v_shifted: Bounded::<u32, 16> = v.shl::<8, _>();
| ^
|
= note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
= help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
= note: this compiler was built on 2025-06-23; consider upgrading it if it is out of date
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki