this derivation will be built:
  /nix/store/b0lj7l01nchdx7836i08bb8dak492v2q-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/b0lj7l01nchdx7836i08bb8dak492v2q-bcachefs-module-7.0.0-29-generic.drv'...