this derivation will be built:
  /nix/store/kigxk0fgb7z3whw4y7xa352xlll3sw05-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/kigxk0fgb7z3whw4y7xa352xlll3sw05-bcachefs-module-7.0.0-34-generic.drv'...