these 3 derivations will be built:
  /nix/store/wk1irjmpynajk88rgs4cbx4ylmbs65gq-treefmt.toml.drv
  /nix/store/zp599ksrshj4pnx8g6gc3kp22xfdp8mz-treefmt.drv
  /nix/store/grabcrg1hv3pc5zynzxk81hv7ayvssga-treefmt-check.drv