this derivation will be built:
  /nix/store/8cgzn5kakrvlh7bw4h0bc2s103hay0hl-treefmt-check.drv
building '/nix/store/8cgzn5kakrvlh7bw4h0bc2s103hay0hl-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 18.337s

post-build step Upload to niks3: ok
time=2026-08-20T18:30:15.401Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T18:30:15.903Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T18:30:16.584Z level=INFO msg="Upload complete. (1.249s)"