this derivation will be built:
  /nix/store/1wyg1fdsj3f1mfbcrr00gxf8jks2mbcz-treefmt-check.drv
bld4: building 1wyg1fdsj3f1mfbcrr00gxf8jks2mbcz-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 5.947s