this derivation will be built:
  /nix/store/1iw8mb71dmgdiqm7ic2czkpzsmqp24fh-treefmt-check.drv
building '/nix/store/1iw8mb71dmgdiqm7ic2czkpzsmqp24fh-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 18.178s

post-build step Upload to niks3: ok
time=2026-08-20T09:04:01.031Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T09:04:01.523Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T09:04:01.939Z level=INFO msg="Upload complete. (1.007s)"