this derivation will be built:
  /nix/store/5yxmb9zmmi00zvrs6ri9vp939pc9qsh0-treefmt-check.drv
building '/nix/store/5yxmb9zmmi00zvrs6ri9vp939pc9qsh0-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 2.419s

post-build step Upload to niks3: ok
time=2026-08-23T18:15:07.874Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-23T18:15:08.294Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-23T18:15:08.627Z level=INFO msg="Upload complete. (931ms)"