this derivation will be built:
  /nix/store/v7kl7vfy8clkdzg3pxrr5079xn0rm2kc-treefmt-check.drv
building '/nix/store/v7kl7vfy8clkdzg3pxrr5079xn0rm2kc-treefmt-check.drv'
treefmt-check> traversed 537 files
treefmt-check> emitted 294 files for processing
treefmt-check> formatted 294 files (0 changed) in 1.432s

post-build step Upload to niks3: ok
time=2026-09-23T02:04:51.697Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-23T02:04:52.145Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-23T02:04:52.366Z level=INFO msg="Upload complete. (689ms)"