this derivation will be built:
  /nix/store/d5q430rzvgwjcd7xi4ircw4n8xm9p3qj-treefmt-check.drv
building '/nix/store/d5q430rzvgwjcd7xi4ircw4n8xm9p3qj-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 283 files for processing
treefmt-check> formatted 283 files (0 changed) in 1.341s

post-build step Upload to niks3: ok
time=2026-09-21T13:03:50.663Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-21T13:03:51.300Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-21T13:03:51.514Z level=INFO msg="Upload complete. (872ms)"