this derivation will be built:
  /nix/store/ql7bqz99drgx7h9rrj4h5i152b02klih-treefmt-check.drv
building '/nix/store/ql7bqz99drgx7h9rrj4h5i152b02klih-treefmt-check.drv'
treefmt-check> traversed 432 files
treefmt-check> emitted 309 files for processing
treefmt-check> formatted 309 files (0 changed) in 15.685s

post-build step Upload to niks3: ok
time=2026-08-13T08:25:52.691Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T08:25:53.153Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T08:25:53.532Z level=INFO msg="Upload complete. (1.261s)"