this derivation will be built:
  /nix/store/sppqxq1mfi93hdq4ks2d91fp8h80jgj5-treefmt-check.drv
building '/nix/store/sppqxq1mfi93hdq4ks2d91fp8h80jgj5-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 3.377s

post-build step Upload to niks3: ok
time=2026-08-20T18:23:21.627Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T18:23:22.041Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T18:23:22.424Z level=INFO msg="Upload complete. (860ms)"