Re: [PATCH RFC 3/6] rust: WIP: use ThisModule trait for initializing

[kernel test robot <lkp@intel.com>]

Hi Kari,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on cc3aa43b44bdb43dfbac0fcb51c56594a11338a8]

url:    https://github.com/intel-lab-lkp/linux/commits/Kari-Argillander/rust-Enable-const_refs_to_static-feature/20260101-172411
base:   cc3aa43b44bdb43dfbac0fcb51c56594a11338a8
patch link:    https://lore.kernel.org/r/20260101-this_module_fix-v1-3-46ae3e5605a0%40gmail.com
patch subject: [PATCH RFC 3/6] rust: WIP: use ThisModule trait for initializing
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260101/202601011613.fA0RPZ42-lkp@intel.com/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/20260101/202601011613.fA0RPZ42-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/202601011613.fA0RPZ42-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   PATH=/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   INFO PATH=/opt/cross/rustc-1.88.0-bindgen-0.72.1/cargo/bin:/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   /usr/bin/timeout -k 100 12h /usr/bin/make KCFLAGS= -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef W=1 --keep-going LLVM=1 -j32 -C source O=/kbuild/obj/consumer/x86_64-rhel-9.4-rust ARCH=x86_64 SHELL=/bin/bash rustfmtcheck
   make: Entering directory '/kbuild/src/consumer'
   make[1]: Entering directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
>> Diff in rust/kernel/pci.rs:5:
    //! C header: [`include/linux/pci.h`](srctree/include/linux/pci.h)
    
    use crate::{
   -    bindings,
   -    container_of,
   -    device,
   +    bindings, container_of, device,
        device_id::{
            RawDeviceId,
            RawDeviceIdIndex, //
>> Diff in rust/kernel/pci.rs:5:
    //! C header: [`include/linux/pci.h`](srctree/include/linux/pci.h)
    
    use crate::{
   -    bindings,
   -    container_of,
   -    device,
   +    bindings, container_of, device,
        device_id::{
            RawDeviceId,
            RawDeviceIdIndex, //
   make[2]: *** [Makefile:1877: rustfmt] Error 123
   make[2]: Target 'rustfmtcheck' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'rustfmtcheck' not remade because of errors.
   make[1]: Leaving directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'rustfmtcheck' not remade because of errors.
   make: Leaving directory '/kbuild/src/consumer'
--
>> warning: `crate` references the macro call's crate
   --> rust/kernel/configfs.rs:1021:83
   |
   1021 |                         $crate::configfs::ItemType::<$container, $data>::new::<N, crate::THIS_MODULE>(
   |                                                                                   ^^^^^ help: to reference the macro definition's crate, use: `$crate`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#crate_in_macro_def
   = note: `-W clippy::crate-in-macro-def` implied by `-W clippy::all`
   = help: to override `-W clippy::all` add `#[allow(clippy::crate_in_macro_def)]`
--
>> warning: unresolved link to `macros::module::module`
   --> rust/kernel/lib.rs:214:11
   |
   214 |     //! [`macros::module::module`]. Mechanism is equivalent to `THIS_MODULE` in
   |           ^^^^^^^^^^^^^^^^^^^^^^ `module` is a macro, not a module or type, and cannot have associated items
   |
   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
--
>> warning: unresolved link to `this_module`
   --> rust/kernel/lib.rs:223:15
   |
   223 |     /// See [`this_module`]
   |               ^^^^^^^^^^^ no item named `this_module` in scope
   |
   = help: to escape `[` and `]` characters, add '' before them like `[` or `]`
--
>> warning: unresolved link to `this_module`
   --> rust/kernel/lib.rs:229:15
   |
   229 |     /// See [`this_module`]
   |               ^^^^^^^^^^^ no item named `this_module` in scope
   |
   = help: to escape `[` and `]` characters, add '' before them like `[` or `]`

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