this derivation will be built:
  /nix/store/z85gljdn9mvc60aq4hwbdskw7l585rhb-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/z85gljdn9mvc60aq4hwbdskw7l585rhb-bcachefs-module-7.0.0-39-generic.drv'...