this derivation will be built:
  /nix/store/9n155x01nc9m9m7xn2367wgi3xi74l30-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/9n155x01nc9m9m7xn2367wgi3xi74l30-bcachefs-module-7.0.0-34-generic.drv'...