this derivation will be built:
  /nix/store/f67qhrpnqvgcny8sr16lnr5z8ss0n480-treefmt-check.drv
building '/nix/store/f67qhrpnqvgcny8sr16lnr5z8ss0n480-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 2.461s

post-build step Upload to niks3: ok
time=2026-08-20T16:09:20.099Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T16:09:20.877Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T16:09:21.259Z level=INFO msg="Upload complete. (1.219s)"