this derivation will be built:
  /nix/store/jy4m0jrbbawk7pw709h9lj2nbk8p0c66-treefmt-check.drv
building '/nix/store/jy4m0jrbbawk7pw709h9lj2nbk8p0c66-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 313 files for processing
treefmt-check> formatted 313 files (0 changed) in 2.759s

post-build step Upload to niks3: ok
time=2026-08-26T18:43:17.745Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-26T18:43:18.178Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:43:18.614Z level=INFO msg="Upload complete. (938ms)"