these 4 derivations will be built:
  /nix/store/6k7zwcplkfvxv0mcj9iszipc1bikbr9r-go2nix-nix-plugin-core-0.1.0.drv
  /nix/store/mrqnqlldfrgymfrfj3932g2275jgf68p-go2nix-nix-plugin-0.1.0.drv
  /nix/store/y581cc57vhl6b20hfszj8q3gc2wh1f3v-test-drv-canary-actual.drv
  /nix/store/w02w5w80zyv9m0q936lp5rprb1v9z2zw-test-drv-canary.drv
building '/nix/store/y581cc57vhl6b20hfszj8q3gc2wh1f3v-test-drv-canary-actual.drv'
building '/nix/store/w02w5w80zyv9m0q936lp5rprb1v9z2zw-test-drv-canary.drv'

upload niks3: ok