this derivation will be built:
  /nix/store/3rbkdlq76d9z2z01y745y32qnrz6fr4m-treefmt-check.drv
building '/nix/store/3rbkdlq76d9z2z01y745y32qnrz6fr4m-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 2.154s

post-build step Upload to niks3: ok
time=2026-08-20T18:15:42.154Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T18:15:42.660Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T18:15:43.102Z level=INFO msg="Upload complete. (1.01s)"