these 3 derivations will be built:
  /nix/store/fxkasjcv1p4x5lrm0vxm1gqp7v21qdf1-treefmt.toml.drv
  /nix/store/a028mx054gmg3mg3kz0bzynigpf72f72-treefmt.drv
  /nix/store/j168556k4r6w0x7wrzlp69yffdr3f85a-treefmt-check.drv
this path will be fetched (258.0 KiB download, 583.5 KiB unpacked):
  /nix/store/a8snvaw47y3l6ar6nr92ggs6x9vjqv8g-json2x-0.1.0