[linux-next:master 4656/10546] make[2]: *** No rule to make target 'rustdoc'.

[linux-next:master 4656/10546] make[2]: *** No rule to make target 'rustdoc'.

[kernel test robot]

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: Linux Memory Management List <linux-mm@kvack.org>
TO: Miguel Ojeda <ojeda@kernel.org>
CC: "Björn Roy Baron" <bjorn3_gh@protonmail.com>
CC: Gary Guo <gary@garyguo.net>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   f7efed9f38f886edb450041b82a6f15d663c98f8
commit: 3ed03f4da06ede71ac53cf25b9441a372e9f2487 [4656/10546] rust: upgrade to Rust 1.68.2
:::::: branch date: 3 hours ago
:::::: commit date: 2 weeks ago
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20230616/202306161619.FPePncdP-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230616/202306161619.FPePncdP-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/r/202306161619.FPePncdP-lkp@intel.com/

All errors (new ones prefixed by >>):

>> make[2]: *** No rule to make target 'rustdoc'.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki