this derivation will be built:
  /nix/store/js9h7mmaad1a7claqidyiy68lhf9p350-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/js9h7mmaad1a7claqidyiy68lhf9p350-bcachefs-module-7.0.0-26-generic.drv'...