this derivation will be built:
  /nix/store/ncnrs46yrgxynhnsxf1im8779cq0vnxq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ncnrs46yrgxynhnsxf1im8779cq0vnxq-bcachefs-module-7.0.0-39-generic.drv'...