this derivation will be built:
  /nix/store/dlrw7bfgh4n36jkcjfdlwv23w130kvqg-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/dlrw7bfgh4n36jkcjfdlwv23w130kvqg-bcachefs-module-7.0.0-29-generic.drv'...