this derivation will be built:
  /nix/store/i438h6ir4gqq4b62imvln4w71bd2245z-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/i438h6ir4gqq4b62imvln4w71bd2245z-bcachefs-module-7.0.0-34-generic.drv'...