this derivation will be built:
  /nix/store/ghy5f2jki6dsp7212242123z5armp17g-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ghy5f2jki6dsp7212242123z5armp17g-bcachefs-module-7.0.0-39-generic.drv'...