this derivation will be built:
  /nix/store/15a9xbfavpmxa9pplmyqa2yjdz6mapkj-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/15a9xbfavpmxa9pplmyqa2yjdz6mapkj-bcachefs-module-7.0.0-30-generic.drv'...