this derivation will be built:
  /nix/store/ms9yh6qq1vv19v2r8wd106vz7258myg5-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ms9yh6qq1vv19v2r8wd106vz7258myg5-bcachefs-module-7.0.0-39-generic.drv'...