this derivation will be built:
  /nix/store/y2rhw3s1bplvrb43hniwz8fd42iqvrfv-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/y2rhw3s1bplvrb43hniwz8fd42iqvrfv-bcachefs-module-7.0.0-39-generic.drv'...