evaluation warning: nixfmt-rfc-style is now the same as pkgs.nixfmt which should be used instead.
warning: download buffer is full; consider increasing the 'download-buffer-size' setting
error: Cannot build '/nix/store/ypy7xk762fmhzaqr1rv3fqzh7y1nn0zs-chiaki-ng-1.9.9.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/7swx7jvj6xfhbmj265gvdaky1zayns5l-chiaki-ng-1.9.9
       Last 25 log lines:
       > [ 17%] Linking C static library libsdeck.a
       > [ 17%] Building C object third-party/CMakeFiles/gf_complete.dir/gf-complete/src/gf_cpu.c.o
       > [ 17%] Building CXX object third-party/cpp-steam-tools/CMakeFiles/cpp-steam-tools.dir/src/vdfstatemachine.cpp.o
       > [ 17%] Built target sdeck
       > [ 18%] Linking C static library libgf_complete.a
       > Writing to takion.pb.h and takion.pb.c
       > [ 18%] Built target chiaki-pb
       > [ 18%] Built target gf_complete
       > In file included from /build/source/third-party/cpp-steam-tools/src/steamtools.cpp:10:
       > /build/source/third-party/cpp-steam-tools/src/../include/vdf_parser.hpp: In function 'std::string tyti::vdf::detail::string_converter(const std::wstring&)':
       > /build/source/third-party/cpp-steam-tools/src/../include/vdf_parser.hpp:127:10: warning: 'template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> class std::__cxx11::wstring_convert' is deprecated [-Wdeprecated-declarations]
       >   127 |     std::wstring_convert<
       >       |          ^~~~~~~~~~~~~~~
       > In file included from /nix/store/qarrb8yfby1yyypm32vabzgxgq3w41ma-gcc-15.2.0/include/c++/15.2.0/locale:47,
       >                  from /nix/store/qarrb8yfby1yyypm32vabzgxgq3w41ma-gcc-15.2.0/include/c++/15.2.0/bits/fs_path.h:36,
       >                  from /nix/store/qarrb8yfby1yyypm32vabzgxgq3w41ma-gcc-15.2.0/include/c++/15.2.0/filesystem:54,
       >                  from /nix/store/jq8mka96cq81mfzm4svzmbalna8asqfn-qtbase-6.10.1/include/QtCore/qfile.h:14,
       >                  from /nix/store/jq8mka96cq81mfzm4svzmbalna8asqfn-qtbase-6.10.1/include/QtCore/qfileinfo.h:9,
       >                  from /build/source/third-party/cpp-steam-tools/src/steamtools.cpp:4:
       > /nix/store/qarrb8yfby1yyypm32vabzgxgq3w41ma-gcc-15.2.0/include/c++/15.2.0/bits/locale_conv.h:262:33: note: declared here
       >   262 |     class _GLIBCXX17_DEPRECATED wstring_convert
       >       |                                 ^~~~~~~~~~~~~~~
       > [ 19%] Linking CXX shared library libcpp-steam-tools.so
       > [ 20%] Built target cpp-steam-tools
       > make: *** [Makefile:166: all] Error 2
       For full logs, run:
         nix log /nix/store/ypy7xk762fmhzaqr1rv3fqzh7y1nn0zs-chiaki-ng-1.9.9.drv
error: Cannot build '/nix/store/6vsya8vqnwkg6h75iq9yrxq1hlhzdlcm-system-path.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/6jz0hmx2vd67i9rijbi44jc3cdnk0lsh-system-path
error: Cannot build '/nix/store/xkd3724a94hmvp2pss99yy8rzzil38gs-nixos-system-ramapraca-26.05.20260107.5912c17.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/4f7kvwwn9zva3411lyrmcm96dr0y1ddg-nixos-system-ramapraca-26.05.20260107.5912c17
Command 'nix --extra-experimental-features 'nix-command flakes' build --print-out-paths '.#nixosConfigurations."ramapraca".config.system.build.toplevel' --no-link' returned non-zero exit status 1.