this derivation will be built:
  /nix/store/w3f5wx4cb9ac5dviw9d65iv41alhc70w-treefmt-check.drv
building '/nix/store/w3f5wx4cb9ac5dviw9d65iv41alhc70w-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 7.391s

post-build step Upload to niks3: ok
time=2026-08-17T21:26:36.780Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-17T21:26:37.114Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-17T21:26:37.373Z level=INFO msg="Upload complete. (672ms)"