this derivation will be built:
  /nix/store/mhj297qq6ai8q004gry4cax9f2zb31zl-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/mhj297qq6ai8q004gry4cax9f2zb31zl-bcachefs-module-7.0.0-31-generic.drv'...