this derivation will be built:
  /nix/store/mcljw0rinv937kr90n88kyfabffda7b6-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/mcljw0rinv937kr90n88kyfabffda7b6-bcachefs-module-7.0.0-38-generic.drv'...