this derivation will be built:
  /nix/store/6x6flnfkrb7bzsimvv7kb78rirxqycyj-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/6x6flnfkrb7bzsimvv7kb78rirxqycyj-bcachefs-module-7.0.0-27-generic.drv'...