this derivation will be built:
  /nix/store/hji2dcngsi857v9qzc1lrj0p7qr806jq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/hji2dcngsi857v9qzc1lrj0p7qr806jq-bcachefs-module-7.0.0-39-generic.drv'...