this derivation will be built:
  /nix/store/1nkcxz60mqyxw6gi5fk9dcpnmgvs5lgn-treefmt-check.drv
building '/nix/store/1nkcxz60mqyxw6gi5fk9dcpnmgvs5lgn-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 15.995s

post-build step Upload to niks3: ok
time=2026-08-20T21:14:21.240Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T21:14:21.658Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T21:14:22.093Z level=INFO msg="Upload complete. (937ms)"