this derivation will be built:
  /nix/store/9s7cw0bym0zqypsicx583i8qlwhdrx5h-treefmt-check.drv
building '/nix/store/9s7cw0bym0zqypsicx583i8qlwhdrx5h-treefmt-check.drv'
treefmt-check> traversed 462 files
treefmt-check> emitted 323 files for processing
treefmt-check> formatted 323 files (0 changed) in 2.016s

post-build step Upload to niks3: ok
time=2026-09-01T10:15:28.566Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T10:15:29.263Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T10:15:29.755Z level=INFO msg="Upload complete. (1.263s)"