this derivation will be built:
  /nix/store/qvi4x06q6akk3f8bzgb864kavfsi496q-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/qvi4x06q6akk3f8bzgb864kavfsi496q-bcachefs-module-7.0.0-38-generic-64k.drv'...