this derivation will be built:
  /nix/store/hf92admj0fpq7y1rzwigaci5vvdh56k7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/hf92admj0fpq7y1rzwigaci5vvdh56k7-bcachefs-module-7.0.0-39-generic.drv'...