Re: [PATCH v2 4/5] rust: id_pool: do not immediately acquire new ids

[kernel test robot]

Hi Alice,

kernel test robot noticed the following build errors:

[auto build test ERROR on 211ddde0823f1442e4ad052a2f30f050145ccada]

url:    https://github.com/intel-lab-lkp/linux/commits/Alice-Ryhl/rust-bitmap-add-MAX_LEN-and-NO_ALLOC_MAX_LEN-constants/20251021-213620
base:   211ddde0823f1442e4ad052a2f30f050145ccada
patch link:    https://lore.kernel.org/r/20251021-binder-bitmap-v2-4-e652d172c62b%40google.com
patch subject: [PATCH v2 4/5] rust: id_pool: do not immediately acquire new ids
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20251023/202510230839.DJZaY5US-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/20251023/202510230839.DJZaY5US-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/202510230839.DJZaY5US-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> error[E0599]: no method named `acquire_next_id` found for struct `Guard<'_, IdPool, SpinLockBackend>` in the current scope
   --> rust/doctests_kernel_generated.rs:6515:20
   |
   6515 |         match pool.acquire_next_id(0) {
   |                    ^^^^^^^^^^^^^^^ method not found in `Guard<'_, IdPool, SpinLockBackend>`

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