this derivation will be built:
  /nix/store/y9cn8myhcsd661rbvd5qis6rzffyd61l-treefmt-check.drv
building '/nix/store/y9cn8myhcsd661rbvd5qis6rzffyd61l-treefmt-check.drv'
treefmt-check> traversed 468 files
treefmt-check> emitted 243 files for processing
treefmt-check> formatted 243 files (0 changed) in 1.204s

post-build step Upload to niks3: ok
time=2026-09-18T18:37:40.318Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T18:37:40.711Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T18:37:41.151Z level=INFO msg="Upload complete. (852ms)"