this derivation will be built:
  /nix/store/sp5pns27fk7x1mha0bi3hmbac5jh3ryd-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/sp5pns27fk7x1mha0bi3hmbac5jh3ryd-bcachefs-module-7.0.0-26-generic.drv'...