these 2 derivations will be built:
  /nix/store/jds9p5lrhnng2ijkfwpwwrawwjnihs4w-flake-inputs.drv
  /nix/store/fq9mz2f5cmscqhscdw8xzai4qjmm59j0-check-flake-inputs.drv
building '/nix/store/jds9p5lrhnng2ijkfwpwwrawwjnihs4w-flake-inputs.drv'
building '/nix/store/fq9mz2f5cmscqhscdw8xzai4qjmm59j0-check-flake-inputs.drv'

upload niks3: ok