these 3 derivations will be built:
  /nix/store/pbzm7kiqi2a73kzhalllpjjlx11vagf1-treefmt.toml.drv
  /nix/store/wvdkqxh7221lmya2zivpyalxlsmd9yl0-treefmt.drv
  /nix/store/2918vamp3ff8gnpjsnv3jrm24k2dan24-treefmt-check.drv