this derivation will be built:
  /nix/store/sq4f835mxvl35wq7yg2xx8vkv01hp1f1-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/sq4f835mxvl35wq7yg2xx8vkv01hp1f1-bcachefs-module-7.0.0-31-generic.drv'...