this derivation will be built:
  /nix/store/w2hqyh7cc4fkrdq238n8vpnkpd2ip3jh-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/w2hqyh7cc4fkrdq238n8vpnkpd2ip3jh-bcachefs-module-7.0.0-30-generic.drv'...