this derivation will be built:
  /nix/store/kz02p1chcq9hsnf3vhfbwlhr8j10v0nc-treefmt-check.drv
building '/nix/store/kz02p1chcq9hsnf3vhfbwlhr8j10v0nc-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 21.892s

post-build step Upload to niks3: ok
time=2026-08-18T21:32:03.500Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-18T21:32:03.937Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-18T21:32:04.443Z level=INFO msg="Upload complete. (1.025s)"