these 3 derivations will be built:
  /nix/store/wmg95kbym4q4cl6n25cn0r6ljqzadvkh-treefmt.toml.drv
  /nix/store/wgjs9ljz29b7q2r56mw2inb1hi3ciq9h-treefmt.drv
  /nix/store/7lvd17iy66cp5swj1q4azc3a1ac50ipi-treefmt-check.drv