these 3 derivations will be built:
  /nix/store/bimczjlkkja53v2llr7fzgi9xdhjsgw0-treefmt.toml.drv
  /nix/store/yxp2rnarh95ym588z3kwbm567v5inww8-treefmt.drv
  /nix/store/iiw42qwg08bnzbg7n7r96djv46j50jg1-inputDerivation-treefmt-check.drv