these 3 derivations will be built:
  /nix/store/7ksjql2gfqlalyplf3x22r406gsrq5vr-treefmt.toml.drv
  /nix/store/kk7bb42248blsc3c126l2m34lknwlwrb-treefmt.drv
  /nix/store/8hf9pjp0y565j0w9nij78bi12wdlvwmv-treefmt-check.drv
this path will be fetched (1.5 MiB download, 9.5 MiB unpacked):
  /nix/store/n91qdph36zlx3cafbck2nqc6mi4nbaqs-prettier-3.9.6