this derivation will be built:
  /nix/store/vb866w8l7bjayldfn4r6bcbf208qd4am-treefmt-check.drv
building '/nix/store/vb866w8l7bjayldfn4r6bcbf208qd4am-treefmt-check.drv'
treefmt-check> traversed 454 files
treefmt-check> emitted 228 files for processing
treefmt-check> formatted 228 files (0 changed) in 1.189s

post-build step Upload to niks3: ok
time=2026-09-18T18:32:46.813Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T18:32:47.196Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T18:32:47.264Z level=INFO msg="Upload complete. (486ms)"