this derivation will be built:
  /nix/store/qzr2vr6zz08a69rns1x355ndp7cky828-treefmt-check.drv
building '/nix/store/qzr2vr6zz08a69rns1x355ndp7cky828-treefmt-check.drv'
treefmt-check> traversed 428 files
treefmt-check> emitted 306 files for processing
treefmt-check> formatted 306 files (0 changed) in 5.252s

post-build step Upload to niks3: ok
time=2026-08-12T18:41:04.654Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-12T18:41:05.097Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-12T18:41:05.518Z level=INFO msg="Upload complete. (1.015s)"