this derivation will be built:
  /nix/store/gnq2165jydmbi5rcazy2wi1cqx3hq8r5-treefmt-check.drv
building '/nix/store/gnq2165jydmbi5rcazy2wi1cqx3hq8r5-treefmt-check.drv'
treefmt-check> traversed 555 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 8.7s

upload niks3: ok