this derivation will be built:
  /nix/store/hlvx1dba1d8r9jlv5cqh31mfar4r2dry-treefmt-check.drv
bld4: building hlvx1dba1d8r9jlv5cqh31mfar4r2dry-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 23.464s