this derivation will be built: /nix/store/052yallh0gx0xvyvm0nkw7j0407yin49-go2nix-nix-plugin-rustfmt.drv building '/nix/store/052yallh0gx0xvyvm0nkw7j0407yin49-go2nix-nix-plugin-rustfmt.drv' upload niks3: ok