this derivation will be built:
  /nix/store/qxxb65q9fjc9f6agnpzh6njj742fjrnl-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/qxxb65q9fjc9f6agnpzh6njj742fjrnl-bcachefs-module-7.0.0-31-generic.drv'...