this derivation will be built:
  /nix/store/q910kvdiv7f562rr5zwnh3z61i9phi5q-treefmt-check.drv
building '/nix/store/q910kvdiv7f562rr5zwnh3z61i9phi5q-treefmt-check.drv'
treefmt-check> traversed 440 files
treefmt-check> emitted 314 files for processing
treefmt-check> formatted 314 files (0 changed) in 2.624s

post-build step Upload to niks3: ok
time=2026-08-13T14:10:50.184Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T14:10:50.572Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T14:10:50.897Z level=INFO msg="Upload complete. (778ms)"