There are thousands of lines in the log, lots of warnings, two Errors. I imagine I might need to wait for a new nvidia release, if they're still doing them. Just a warning for anyone else with such a card.
# cmd_gen_objtooldep nvidia-uvm/uvm_range_group_tree_test.o
{ echo ; echo 'nvidia-uvm/uvm_range_group_tree_test.o: $(wildcard /usr/src/linux-headers-6.13.3-1-siduction-amd64/tools/objtool/objtool)' ; } >> nvidia-uvm/.uvm_range_group_tree_test.o.cmd
ld: cannot find ./nvidia-modeset/nv-modeset-kernel.o: No such file or directory
# LD [M] nvidia-uvm.o
ld -m elf_x86_64 -z noexecstack --no-warn-rwx-segments -r -o nvidia-uvm.o @nvidia-uvm.mod
make[4]: *** [/usr/src/linux-headers-6.13.3-1-siduction-amd64/scripts/Makefile.build:394: nvidia-modeset.o] Error 1
make[4]: *** Waiting for unfinished jobs....
ld: cannot find ./nvidia/nv-kernel.o: No such file or directory
make[4]: *** [/usr/src/linux-headers-6.13.3-1-siduction-amd64/scripts/Makefile.build:394: nvidia.o] Error 1
# cmd_gen_objtooldep nvidia-uvm/uvm_range_group_tree_test.o
{ echo ; echo 'nvidia-uvm/uvm_range_group_tree_test.o: $(wildcard /usr/src/linux-headers-6.13.3-1-siduction-amd64/tools/objtool/objtool)' ; } >> nvidia-uvm/.uvm_range_group_tree_test.o.cmd
ld: cannot find ./nvidia-modeset/nv-modeset-kernel.o: No such file or directory
# LD [M] nvidia-uvm.o
ld -m elf_x86_64 -z noexecstack --no-warn-rwx-segments -r -o nvidia-uvm.o @nvidia-uvm.mod
make[4]: *** [/usr/src/linux-headers-6.13.3-1-siduction-amd64/scripts/Makefile.build:394: nvidia-modeset.o] Error 1
make[4]: *** Waiting for unfinished jobs....
ld: cannot find ./nvidia/nv-kernel.o: No such file or directory
make[4]: *** [/usr/src/linux-headers-6.13.3-1-siduction-amd64/scripts/Makefile.build:394: nvidia.o] Error 1