these 3 derivations will be built:
  /nix/store/5z7asyp76ccxw1hs6jdc4s34mqnzb7m6-treefmt.toml.drv
  /nix/store/4ri7yim6yq7r8806xbafsayyfdlcc490-treefmt.drv
  /nix/store/fis0j5pk5gdja471r6cvmxd0w5lr7bcx-treefmt-check.drv