this derivation will be built:
  /nix/store/01lcgr9bbv8dm0hxqs1kjyi2aw6vyqdd-seed-age-key.drv
building '/nix/store/01lcgr9bbv8dm0hxqs1kjyi2aw6vyqdd-seed-age-key.drv'
seed-age-key> structuredAttrs is enabled

upload niks3: ok