this derivation will be built:
  /nix/store/nnc4vbdm6hsj7xn1b6wfyqywp4v1h4ar-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/nnc4vbdm6hsj7xn1b6wfyqywp4v1h4ar-bcachefs-module-7.0.0-38-generic.drv'...