building '/nix/store/vryy16xf7jylddz467bhj57p12svf4qy-effect-env.drv'...
Running phase: initPhase
@nix { "action": "setPhase", "phase": "initPhase" }
Running phase: userSetupPhase
@nix { "action": "setPhase", "phase": "userSetupPhase" }
Running phase: effectPhase
@nix { "action": "setPhase", "phase": "effectPhase" }
{branch:main,rev:12bdcf45ae7d0366dda54bf3eed6378edf8d919a,tag:null}
Hello, world!