this derivation will be built:
  /nix/store/k6cdqi13l9qf6zkc93450bimidfx6ai5-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/k6cdqi13l9qf6zkc93450bimidfx6ai5-bcachefs-module-7.0.0-31-generic.drv'...