this derivation will be built:
  /nix/store/h1y8lcqb44l78757dpr9b0zw5g7kal10-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/h1y8lcqb44l78757dpr9b0zw5g7kal10-bcachefs-module-7.0.0-34-generic.drv'...