these 2 derivations will be built:
  /nix/store/kb36bjkf5a75g77xa16vb2yqz4b6q1ir-treefmt-with-config-2.6.0.drv
  /nix/store/0582b0m7p2rpi4z866717bb3vzp4qvvb-treefmt-with-config-check.drv