this derivation will be built:
  /nix/store/h2qindsxarjg94nchb89yh0nsn3mj1xn-treefmt-check.drv
building '/nix/store/h2qindsxarjg94nchb89yh0nsn3mj1xn-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 313 files for processing
treefmt-check> formatted 313 files (0 changed) in 28.832s

post-build step Upload to niks3: ok
time=2026-08-26T18:43:56.619Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-26T18:43:57.040Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:43:57.483Z level=INFO msg="Upload complete. (991ms)"