1warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2391', using 'master'2waiting for another Nix process to finish fetching input 'git+file:///var/lib/nixbot/worktrees/effect-2391?rev=5eabc926b26f45d014d062ac47b4511c4e0cf197'...3warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2391', using 'master'4building '/nix/store/m54hxpiggacwjdsmmaqs1sh0wgn12km6-effect-env.drv'...5Running phase: initPhase6@nix { "action": "setPhase", "phase": "initPhase" }7Running phase: userSetupPhase8@nix { "action": "setPhase", "phase": "userSetupPhase" }9Running phase: effectPhase10@nix { "action": "setPhase", "phase": "effectPhase" }11{branch:main,rev:5eabc926b26f45d014d062ac47b4511c4e0cf197,tag:null}12Hello, world!