this derivation will be built:
  /nix/store/rbk6bwc7hcswjnmav83dicsa6i20mhj7-treefmt-check.drv
building '/nix/store/rbk6bwc7hcswjnmav83dicsa6i20mhj7-treefmt-check.drv'
treefmt-check> traversed 428 files
treefmt-check> emitted 306 files for processing
treefmt-check> formatted 306 files (0 changed) in 2.772s

post-build step Upload to niks3: ok
time=2026-08-12T18:30:33.099Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-12T18:30:33.503Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-12T18:30:33.885Z level=INFO msg="Upload complete. (847ms)"