this derivation will be built:
  /nix/store/h1q4n7jgylw12ps0h1q71pchnc1pkpri-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/h1q4n7jgylw12ps0h1q71pchnc1pkpri-bcachefs-module-7.0.0-34-generic.drv'...