1warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2355', using 'master'2warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2355', using 'master'3building '/nix/store/2s9a6apv1jnz6n1xps1zr6yhk5g9mwfi-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:9a8ea9a47dfccbdf08d5a9cad7b99e6212d4027a,tag:null}11Hello, world!