this derivation will be built:
  /nix/store/3baaj66i6wz85hy186qim1df4y2p2rhd-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/3baaj66i6wz85hy186qim1df4y2p2rhd-bcachefs-module-7.0.0-14-generic.drv'...