these 3 derivations will be built:
  /nix/store/shzxfxan14hjy59cadf2hp6173rxn9br-treefmt.toml.drv
  /nix/store/kw6400hci6pwvnnq2z43hxqpvwack1q2-treefmt.drv
  /nix/store/7nkcpmf64cknnmglcp8rpa8zrg61lnqv-treefmt-check.drv