this derivation will be built:
  /nix/store/fmxxij0ps3r4n2hi7mwwy9ra49rw3sfs-treefmt-check.drv
building '/nix/store/fmxxij0ps3r4n2hi7mwwy9ra49rw3sfs-treefmt-check.drv'
treefmt-check> traversed 454 files
treefmt-check> emitted 323 files for processing
treefmt-check> formatted 323 files (0 changed) in 17.507s

post-build step Upload to niks3: ok
time=2026-08-15T12:50:48.146Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-15T12:50:48.506Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T12:50:48.804Z level=INFO msg="Upload complete. (735ms)"