this derivation will be built:
  /nix/store/mg981jnyn226wq5m0ll4yykxwjzdwpay-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/mg981jnyn226wq5m0ll4yykxwjzdwpay-bcachefs-module-7.0.0-29-generic.drv'...