this derivation will be built:
  /nix/store/bkml7mvfv03rir6p2r8ir55wqp76xhki-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/bkml7mvfv03rir6p2r8ir55wqp76xhki-bcachefs-module-7.0.0-30-generic.drv'...