this derivation will be built:
  /nix/store/8382w81ssl2jw576wga72spk778k915g-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/8382w81ssl2jw576wga72spk778k915g-bcachefs-module-7.0.0-38-generic.drv'...