1warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2191', using 'master'2warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2191', using 'master'3building '/nix/store/h0aim4yzckvw1in9hyrx033cja7k9a9g-effect-env.drv'...4Running phase: initPhase5@nix { "action": "setPhase", "phase": "initPhase" }6Running phase: userSetupPhase7@nix { "action": "setPhase", "phase": "userSetupPhase" }8Running phase: effectPhase9@nix { "action": "setPhase", "phase": "effectPhase" }10{branch:main,rev:a2baa3c6366bc38f72a0f2df9a6a1f44cfbe1c8a,tag:null}11Hello, world!