this derivation will be built:
  /nix/store/2fjgix8w3pjdv334cqyjn26j4q0clkyx-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/2fjgix8w3pjdv334cqyjn26j4q0clkyx-bcachefs-module-7.0.0-31-generic.drv'...