1warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2653', using 'master'2warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-2653', using 'master'3building '/nix/store/fm75pvn2bkg5gv68ifgdbxcjz3hcw52q-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:b631afc8aa6bac2e3aaa459f4ebad171cd7cadfe,tag:null}11Hello, world!