this derivation will be built:
  /nix/store/qhqba6hfii95zrhgcnqwjaddnzm2ydfb-treefmt-check.drv
bld3: building qhqba6hfii95zrhgcnqwjaddnzm2ydfb-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 18.226s