this derivation will be built:
  /nix/store/9d90sxiv8i4qz3bqi4h0w233kifv40nm-treefmt-check.drv
building '/nix/store/9d90sxiv8i4qz3bqi4h0w233kifv40nm-treefmt-check.drv'
treefmt-check> traversed 295 files
treefmt-check> emitted 148 files for processing
treefmt-check> formatted 148 files (0 changed) in 865ms

post-build step Upload to niks3: ok
time=2026-09-16T04:05:04.380Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-16T04:05:04.981Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-16T04:05:05.371Z level=INFO msg="Upload complete. (1.012s)"