these 3 derivations will be built:
  /nix/store/jq7m86r32v3gg8g3qhi5fya29q1lk8pd-treefmt.toml.drv
  /nix/store/hc459nbkign2xvjxx10i2yskrnzlcdxn-treefmt.drv
  /nix/store/kjj5qg2p8233dfwkyj2cr0xyldb5ld73-check-formatter.drv