this derivation will be built:
  /nix/store/dm4689qh89n1g6616wc8dzvkg47m80a5-treefmt-check.drv
building '/nix/store/dm4689qh89n1g6616wc8dzvkg47m80a5-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 2.36s

post-build step Upload to niks3: ok
time=2026-08-18T18:17:59.961Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-18T18:18:00.366Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-18T18:18:00.707Z level=INFO msg="Upload complete. (812ms)"