this derivation will be built:
  /nix/store/jfryg7rgr8s8g9b75k02j7pm4kwfb1pk-treefmt-check.drv
building '/nix/store/jfryg7rgr8s8g9b75k02j7pm4kwfb1pk-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 595 files
treefmt-check> emitted 387 files for processing
treefmt-check> formatted 387 files (0 changed) in 890ms

post-build step Upload to niks3: ok
time=2026-09-14T20:46:59.067Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-14T20:46:59.385Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-14T20:47:00.137Z level=INFO msg="Upload complete. (1.092s)"