this derivation will be built:
  /nix/store/41qvc6h8ph3pfs31sjpm50pvm5awqq7c-treefmt-check.drv
building '/nix/store/41qvc6h8ph3pfs31sjpm50pvm5awqq7c-treefmt-check.drv'
treefmt-check> traversed 436 files
treefmt-check> emitted 304 files for processing
treefmt-check> formatted 304 files (0 changed) in 6.055s

post-build step Upload to niks3: ok
time=2026-08-16T17:01:38.051Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-16T17:01:38.618Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-16T17:01:38.958Z level=INFO msg="Upload complete. (1.123s)"