Hi Danilo, kernel test robot noticed the following build errors: [auto build test ERROR on 9852d85ec9d492ebef56dc5f229416c925758edc] url: https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/rust-alloc-add-Allocator-trait/20241001-230558 base: 9852d85ec9d492ebef56dc5f229416c925758edc patch link: https://lore.kernel.org/r/20241001150008.183102-16-dakr%40kernel.org patch subject: [PATCH v8 15/29] rust: alloc: introduce `ArrayLayout` config: riscv-randconfig-001-20241002 (https://download.01.org/0day-ci/archive/20241003/202410030724.cV9BEoNG-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241003/202410030724.cV9BEoNG-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/202410030724.cV9BEoNG-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> error[E0425]: cannot find function `size_of` in this scope --> rust/kernel/alloc/layout.rs:47:31 | 47 | match len.checked_mul(size_of::<T>()) { | ^^^^^^^ not found in this scope | help: consider importing this function | 7 + use core::mem::size_of; | -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
