these 3 derivations will be built:
  /nix/store/2fci8m27c1d9z314dzknx0dpgz5n1ldy-treefmt.toml.drv
  /nix/store/2f220h7zgcz9zzgx2brjirrjlagakvfh-treefmt.drv
  /nix/store/6yf8azvzhaizczlfkjf6cvk2k1wc0sic-treefmt-check.drv