this derivation will be built:
  /nix/store/flhvbyydh6350wd3spdc41nkvf1kjxr7-treefmt-check.drv
building '/nix/store/flhvbyydh6350wd3spdc41nkvf1kjxr7-treefmt-check.drv'
treefmt-check> traversed 458 files
treefmt-check> emitted 320 files for processing
treefmt-check> formatted 320 files (0 changed) in 2.408s

post-build step Upload to niks3: ok
time=2026-09-01T09:19:54.780Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T09:19:55.377Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:19:55.767Z level=INFO msg="Upload complete. (1.063s)"