this derivation will be built:
  /nix/store/93721x888hv0kmprgsq0bmynn8kbm5qi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/93721x888hv0kmprgsq0bmynn8kbm5qi-bcachefs-module-7.0.0-39-generic.drv'...