this derivation will be built:
  /nix/store/2ivqnan6nk2kzw8y9wbfqz4y0hwvxr82-treefmt-check.drv
building '/nix/store/2ivqnan6nk2kzw8y9wbfqz4y0hwvxr82-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 313 files for processing
treefmt-check> formatted 313 files (0 changed) in 3.281s

post-build step Upload to niks3: ok
time=2026-08-27T01:45:19.901Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T01:45:20.279Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T01:45:20.640Z level=INFO msg="Upload complete. (814ms)"