these 4 derivations will be built:
  /nix/store/k2809vskd4g871n09jm672rjldbahkd2-go2nix-nix-plugin-core-0.1.0.drv
  /nix/store/8szhgnx7ixw350fk5zs2j4hys012awax-go2nix-nix-plugin-0.1.0.drv
  /nix/store/5g475fg7p74w65mrm4i98glkjp6lhflk-test-drv-canary-actual.drv
  /nix/store/mnlrrvwi3airnwymch8rkg8y73l7mjir-test-drv-canary.drv
building '/nix/store/5g475fg7p74w65mrm4i98glkjp6lhflk-test-drv-canary-actual.drv'
building '/nix/store/mnlrrvwi3airnwymch8rkg8y73l7mjir-test-drv-canary.drv'

upload niks3: ok