this derivation will be built:
  /nix/store/8fabjx97pin6dn5d3rqshq8hsh1a9l7l-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/8fabjx97pin6dn5d3rqshq8hsh1a9l7l-bcachefs-module-7.0.0-28-generic.drv'...