this derivation will be built:
  /nix/store/169hgm9lrb05s8yp7yvkdfazqgd6iwi2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/169hgm9lrb05s8yp7yvkdfazqgd6iwi2-bcachefs-module-7.0.0-39-generic.drv'...