this derivation will be built:
  /nix/store/3a30m97q2v972qs7xhhb1hpnbzzfzbyk-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/3a30m97q2v972qs7xhhb1hpnbzzfzbyk-bcachefs-module-7.0.0-29-generic.drv'...