this derivation will be built:
  /nix/store/97bk35wswl6jm7nxm9a3a2j043xv6611-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/97bk35wswl6jm7nxm9a3a2j043xv6611-bcachefs-module-7.0.0-34-generic.drv'...