this derivation will be built:
  /nix/store/h07hjhnc2idg3np7fjcqm23n1drspsxd-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/h07hjhnc2idg3np7fjcqm23n1drspsxd-bcachefs-module-7.0.0-31-generic.drv'...