Hi Alice, kernel test robot noticed the following build errors:
[auto build test ERROR on 19272b37aa4f83ca52bdf9c16d5d81bdd1354494] url: https://github.com/intel-lab-lkp/linux/commits/Alice-Ryhl/panic-improve-panic-output-from-Rust-panics/20250619-231923 base: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 patch link: https://lore.kernel.org/r/20250619-rust-panic-v1-1-ad1a803962e5%40google.com patch subject: [PATCH] panic: improve panic output from Rust panics config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250620/[email protected]/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) rustc: rustc 1.78.0 (9b00956e5 2024-04-29) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250620/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): >> error[E0277]: `core::option::Option<&core::fmt::Arguments<'_>>` doesn't >> implement `core::fmt::Display` --> rust/kernel/lib.rs:210:36 | 210 | match core::format_args!("{}", info.message()) { | ^^^^^^^^^^^^^^ `core::option::Option<&core::fmt::Arguments<'_>>` cannot be formatted with the default formatter | = help: the trait `core::fmt::Display` is not implemented for `core::option::Option<&core::fmt::Arguments<'_>>` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead = note: this error originates in the macro `core::format_args` (in Nightly builds, run with -Z macro-backtrace for more info) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
