this derivation will be built:
  /nix/store/0bnkx201mss18kzdcg90av93sbq2dfj1-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/0bnkx201mss18kzdcg90av93sbq2dfj1-bcachefs-module-7.0.0-39-generic.drv'...