this derivation will be built:
  /nix/store/wc4wrbfykdf855ywc79j7bj20637rq39-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/wc4wrbfykdf855ywc79j7bj20637rq39-bcachefs-module-7.0.0-34-generic.drv'...