this derivation will be built:
  /nix/store/gjfynfyn3mzjq7nmnvg3akdlkk34frss-treefmt-check.drv
building '/nix/store/gjfynfyn3mzjq7nmnvg3akdlkk34frss-treefmt-check.drv'
treefmt-check> traversed 437 files
treefmt-check> emitted 312 files for processing
treefmt-check> formatted 312 files (0 changed) in 17.394s

post-build step Upload to niks3: ok
time=2026-08-13T18:35:12.784Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T18:35:13.208Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T18:35:13.571Z level=INFO msg="Upload complete. (849ms)"