this derivation will be built:
  /nix/store/ljsa6h2zb72aid35m60d32j23s2jmwmv-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/ljsa6h2zb72aid35m60d32j23s2jmwmv-bcachefs-module-7.0.0-29-generic.drv'...