this derivation will be built:
  /nix/store/3mrki69lkxgwl0f77h9zki73q463vhig-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/3mrki69lkxgwl0f77h9zki73q463vhig-bcachefs-module-7.0.0-39-generic.drv'...