these 3 derivations will be built:
  /nix/store/43k3s2gn098yv3j10j7yjmgxw7zz06wd-treefmt.toml.drv
  /nix/store/6i7ba22714wnwq7x2m5cgisw9arjkhkc-treefmt.drv
  /nix/store/h67j163pgmqcp4pnb85yh5if2zipkm17-treefmt-check.drv