these 3 derivations will be built:
  /nix/store/y5r74kdr1bicxhi9745609j9smysihi9-treefmt.toml.drv
  /nix/store/f9zvrxzhwnxbspr59gjdjnpy20x3rq0z-treefmt.drv
  /nix/store/4j0g5wnycyv86fn2yvlgfnh4xbic39km-check-formatter.drv