this derivation will be built:
  /nix/store/wvjnlrgi674zvcgx6jp8gnrv7ac3b4wa-treefmt-check.drv
building '/nix/store/wvjnlrgi674zvcgx6jp8gnrv7ac3b4wa-treefmt-check.drv'
treefmt-check> traversed 427 files
treefmt-check> emitted 299 files for processing
treefmt-check> formatted 299 files (0 changed) in 2.634s

post-build step Upload to niks3: ok
time=2026-08-15T04:14:00.932Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-15T04:14:01.308Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T04:14:01.565Z level=INFO msg="Upload complete. (698ms)"