this derivation will be built:
  /nix/store/q9f7wskinp566mq763mrhfjajv27ivr5-treefmt-check.drv
bld4: building q9f7wskinp566mq763mrhfjajv27ivr5-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 14.891s