this derivation will be built:
  /nix/store/v9kaivvm4ib7f318dc5k6zydvx0iq3af-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/v9kaivvm4ib7f318dc5k6zydvx0iq3af-bcachefs-module-7.0.0-29-generic.drv'...