these 3 derivations will be built:
  /nix/store/yhkrfzbl75bpnadi33xpxi6r5yjkr9w0-treefmt.toml.drv
  /nix/store/v65d4kgcabafxbb2vrzlcsvmh32nh4qq-treefmt.drv
  /nix/store/0nsyyrqz2yagsxgqzj7y82csgp5fnpsx-treefmt-check.drv
this path will be fetched (0.0 KiB download, 521.7 KiB unpacked):
  /nix/store/80pgv5h5aqh2y2bjwps83gaad6khgpv3-json2x-0.1.0