this derivation will be built:
  /nix/store/q2z91b71iz37xkskb75sizffw4g7xhbf-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/q2z91b71iz37xkskb75sizffw4g7xhbf-bcachefs-module-7.0.0-28-generic.drv'...