this derivation will be built:
  /nix/store/ai6hp9kfd9p5kka98n1qdkp204zqx40q-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/ai6hp9kfd9p5kka98n1qdkp204zqx40q-bcachefs-module-7.0.0-27-generic.drv'...