this derivation will be built:
  /nix/store/hb5aa125i28j1idq03n19wcx2ysnm9y2-treefmt-check.drv
building '/nix/store/hb5aa125i28j1idq03n19wcx2ysnm9y2-treefmt-check.drv'
treefmt-check> traversed 437 files
treefmt-check> emitted 312 files for processing
treefmt-check> formatted 312 files (0 changed) in 2.479s

post-build step Upload to niks3: ok
time=2026-08-13T21:18:55.256Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T21:18:55.656Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T21:18:55.942Z level=INFO msg="Upload complete. (754ms)"