this derivation will be built:
  /nix/store/nns3gci8s1997gyranb5mm4jvfby1i2a-treefmt-check.drv
building '/nix/store/nns3gci8s1997gyranb5mm4jvfby1i2a-treefmt-check.drv'
treefmt-check> traversed 434 files
treefmt-check> emitted 303 files for processing
treefmt-check> formatted 303 files (0 changed) in 17.923s

post-build step Upload to niks3: ok
time=2026-08-15T21:32:40.380Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-15T21:32:40.782Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T21:32:41.121Z level=INFO msg="Upload complete. (830ms)"