this derivation will be built:
  /nix/store/bmjk42z0p8h270l2bb3csl7xxrqy91k6-treefmt-check.drv
building '/nix/store/bmjk42z0p8h270l2bb3csl7xxrqy91k6-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 17.51s

post-build step Upload to niks3: ok
time=2026-08-19T18:17:46.818Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-19T18:17:47.258Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T18:17:47.687Z level=INFO msg="Upload complete. (952ms)"