this derivation will be built:
  /nix/store/6ka6d4v50n3h68lc3dr4cyb2n6n5gmm6-treefmt-check.drv
building '/nix/store/6ka6d4v50n3h68lc3dr4cyb2n6n5gmm6-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 2.421s

post-build step Upload to niks3: ok
time=2026-08-23T00:17:37.394Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-23T00:17:37.783Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-23T00:17:38.134Z level=INFO msg="Upload complete. (800ms)"