building '/nix/store/7w3dvlxl8lxslxf5jsv1f10r00qb12yv-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:daf88afb875e22a024c94b3a8325df96ed136090,tag:null}
Hello, world!