this derivation will be built:
  /nix/store/85bvqfnj8rd6y2gfpbkdkb19j45f5h1q-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/85bvqfnj8rd6y2gfpbkdkb19j45f5h1q-bcachefs-module-7.0.0-30-generic.drv'...