this derivation will be built:
  /nix/store/1n47mh0arycp0mg1gh1zcdah31xap7kj-treefmt-check.drv
building '/nix/store/1n47mh0arycp0mg1gh1zcdah31xap7kj-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 12.145s

post-build step Upload to niks3: ok
time=2026-08-19T18:36:06.970Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-19T18:36:07.491Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T18:36:07.929Z level=INFO msg="Upload complete. (1.033s)"