this derivation will be built:
  /nix/store/gy9cghsiy7q96znvnad0jxx2hdbp5ghy-treefmt-check.drv
these 2 paths will be fetched (0.0 KiB download, 1.0 KiB unpacked):
  /nix/store/2l3izfqga0a8h3h2n8sxggfn3qkqda1l-treefmt
  /nix/store/w4b8xh2vhb5kpjybc0l904n37jgppqfl-treefmt.toml