this derivation will be built:
  /nix/store/vf5nwlzwgwrvnfiy76vpm136182ivx1d-treefmt-check.drv
building '/nix/store/vf5nwlzwgwrvnfiy76vpm136182ivx1d-treefmt-check.drv'
treefmt-check> traversed 342 files
treefmt-check> emitted 166 files for processing
treefmt-check> formatted 166 files (0 changed) in 942ms

post-build step Upload to niks3: ok
time=2026-09-17T15:02:53.008Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-17T15:02:53.707Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-17T15:02:54.134Z level=INFO msg="Upload complete. (1.145s)"