this derivation will be built:
  /nix/store/i4rsq4v44jwmqbhb5h54pn8b2cmvqr43-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/i4rsq4v44jwmqbhb5h54pn8b2cmvqr43-bcachefs-module-7.0.0-38-generic.drv'...