this derivation will be built:
  /nix/store/q1r3rac0ss34fj4b4bp9lsdy2bqxyc1a-treefmt-check.drv
building '/nix/store/q1r3rac0ss34fj4b4bp9lsdy2bqxyc1a-treefmt-check.drv'
treefmt-check> traversed 458 files
treefmt-check> emitted 320 files for processing
treefmt-check> formatted 320 files (0 changed) in 27.583s

post-build step Upload to niks3: ok
time=2026-08-31T19:26:56.250Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T19:26:56.646Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:26:56.985Z level=INFO msg="Upload complete. (1.076s)"