these 3 derivations will be built:
  /nix/store/3lqx8528xniifs948crc0xhxc7702ciy-treefmt.toml.drv
  /nix/store/cqdbkky5dwazv8a97yzxj84a7ac8mhbm-treefmt.drv
  /nix/store/wlcz6hwmd9f3ra3xjx6rgd36gbappspp-treefmt-check.drv