this derivation will be built:
  /nix/store/yca6kg9p16zay0qph0bi3jz6iwy4psp3-treefmt-check.drv
building '/nix/store/yca6kg9p16zay0qph0bi3jz6iwy4psp3-treefmt-check.drv'
treefmt-check> traversed 427 files
treefmt-check> emitted 299 files for processing
treefmt-check> formatted 299 files (0 changed) in 3.005s

post-build step Upload to niks3: ok
time=2026-08-14T18:37:33.075Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-14T18:37:33.455Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-14T18:37:33.773Z level=INFO msg="Upload complete. (753ms)"