this derivation will be built:
  /nix/store/hm49ai4cbslz6568nlcnckh825ld245y-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/hm49ai4cbslz6568nlcnckh825ld245y-bcachefs-module-7.0.0-34-generic.drv'...