this derivation will be built:
  /nix/store/247k103jap7r3jqwjil98mgf19wd7x0w-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/247k103jap7r3jqwjil98mgf19wd7x0w-bcachefs-module-7.0.0-29-generic.drv'...