this derivation will be built:
  /nix/store/pkdy3rzqc4s527hp2p3f9dah2daajs0w-treefmt-check.drv
building '/nix/store/pkdy3rzqc4s527hp2p3f9dah2daajs0w-treefmt-check.drv'
treefmt-check> traversed 292 files
treefmt-check> emitted 146 files for processing
treefmt-check> formatted 146 files (0 changed) in 849ms

post-build step Upload to niks3: ok
time=2026-09-15T15:13:57.846Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-15T15:13:58.577Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-15T15:13:58.775Z level=INFO msg="Upload complete. (949ms)"