these 3 derivations will be built:
  /nix/store/gq2yf80dlysm0dvb7kvqal76im1r8q3b-treefmt.toml.drv
  /nix/store/wz0r99phihvh5p9lyhf6fbhrnmnq2b7r-examples.drv
  /nix/store/4bkplamlmx69klfg2knv1j5hshm6647h-test-examples.drv
building '/nix/store/gq2yf80dlysm0dvb7kvqal76im1r8q3b-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/wz0r99phihvh5p9lyhf6fbhrnmnq2b7r-examples.drv'
building '/nix/store/4bkplamlmx69klfg2knv1j5hshm6647h-test-examples.drv'

upload niks3: ok