this derivation will be built:
  /nix/store/js4408ks7p6pk14jzl96ii94qn5zhjg3-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/js4408ks7p6pk14jzl96ii94qn5zhjg3-bcachefs-module-7.0.0-14-generic.drv'...