this derivation will be built:
  /nix/store/0fmfj6bmfkf754qvlrdijwsrighf1j82-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/0fmfj6bmfkf754qvlrdijwsrighf1j82-bcachefs-module-7.0.0-28-generic.drv'...