this derivation will be built:
  /nix/store/qcrr6myar97dr2s7jxhda46jcf2dqrq6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/qcrr6myar97dr2s7jxhda46jcf2dqrq6-bcachefs-module-7.0.0-29-generic.drv'...