this derivation will be built:
  /nix/store/b4c8i2jfx4i9c2fcy6gmkfi03kbryb3x-treefmt-check.drv
building '/nix/store/b4c8i2jfx4i9c2fcy6gmkfi03kbryb3x-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 9.121s

post-build step Upload to niks3: ok
time=2026-08-24T18:20:04.856Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T18:20:05.321Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:20:05.689Z level=INFO msg="Upload complete. (1.007s)"