this derivation will be built:
  /nix/store/8x0fa3qg6pw4v2z1rccmv9pgfzjxwiz6-treefmt-check.drv
building '/nix/store/8x0fa3qg6pw4v2z1rccmv9pgfzjxwiz6-treefmt-check.drv'
treefmt-check> traversed 437 files
treefmt-check> emitted 312 files for processing
treefmt-check> formatted 312 files (0 changed) in 4.47s

post-build step Upload to niks3: ok
time=2026-08-13T18:36:01.437Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T18:36:01.894Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T18:36:02.308Z level=INFO msg="Upload complete. (1.078s)"