this derivation will be built:
  /nix/store/q668m9s5s87l10y6yh5bb1yhx0245w5a-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/q668m9s5s87l10y6yh5bb1yhx0245w5a-bcachefs-module-7.0.0-39-generic.drv'...