these 3 derivations will be built:
  /nix/store/4sm4yz4iaf7v1yk4ca9d7fxq6pm5jafq-treefmt.toml.drv
  /nix/store/bv53j30gdbiq3ksv7hf8gm3rwn9b61bx-treefmt.drv
  /nix/store/gvh1h1hyk1gr9yk378j4wd86admr0fzd-treefmt-check.drv
this path will be fetched (3.8 MiB download, 12.6 MiB unpacked):
  /nix/store/gakca3q89iws07sifphm9m4b14v8adla-nufmt-0-unstable-2026-09-20