this derivation will be built:
  /nix/store/m4r7wlpc1kf5qkawp9yqbfr6mq71vxl9-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/m4r7wlpc1kf5qkawp9yqbfr6mq71vxl9-bcachefs-module-7.0.0-34-generic.drv'...