these 2 derivations will be built:
  /nix/store/nzv8pqvcdxwbrr8rxpsz1p1bl8mqn0d5-treefmt.drv
  /nix/store/06ssfzwr3zzzvbi1jplih1m9caidv68z-treefmt-check.drv
these 2 paths will be fetched (0.0 KiB download, 2.5 KiB unpacked):
  /nix/store/ci41hs4ilsgc783bwfylha5lsa1yf8qp-nil
  /nix/store/r1n53sn87lwa7x26rj0cbl7ykmgx6rzg-treefmt.toml