this derivation will be built:
  /nix/store/1rbfrsb03xazjajgs97j1l3qrx6jpk21-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/1rbfrsb03xazjajgs97j1l3qrx6jpk21-bcachefs-module-7.0.0-30-generic.drv'...