these 3 derivations will be built:
  /nix/store/30300j486zmrvy1gdwv14ybaci0337q4-treefmt.toml.drv
  /nix/store/v63wmzxrhdbr4hnv2irwhvy5jcgcqcka-treefmt.drv
  /nix/store/zlvd2ncgcjz8biyq47jabz32sfvw3hs4-treefmt-check.drv