these 3 derivations will be built:
  /nix/store/scf61s1j140rvsw3hh80188p4bs8aan5-treefmt.toml.drv
  /nix/store/fgsv2szd4383ba6p5xfw89hsc830inq1-treefmt.drv
  /nix/store/gliykp0ngmxz5nkgcm3j229yv0js0mrx-treefmt-check.drv