this derivation will be built:
  /nix/store/6h1nazr1iwwjw4bmimmk750gym40h2ml-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/6h1nazr1iwwjw4bmimmk750gym40h2ml-bcachefs-module-7.0.0-39-generic.drv'...