these 3 derivations will be built:
  /nix/store/rm293j19y8znp4bq9ckprzzafw7d510z-treefmt.toml.drv
  /nix/store/xlw7043rb78sp26mhfswr1lj953nx9sn-treefmt.drv
  /nix/store/j96hzwlnhskl1x6amn61hhvizk90a8il-treefmt-check.drv
this path will be fetched (18.8 KiB download, 60.0 KiB unpacked):
  /nix/store/yld1xbwk79r51nqx8q1mmlgzpxx17zwr-stdenv-linux-no-cc