this derivation will be built:
  /nix/store/v7ip9yfbw4zahna663wbr20bj3f7caf6-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/v7ip9yfbw4zahna663wbr20bj3f7caf6-bcachefs-module-7.0.0-38-generic.drv'...