1warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-569', using 'master'2building '/nix/store/yqlrfm3ai3f25iplmmj0w7741phx9k51-effect-env.drv' on 'ssh-ng://nix@jamie'...3copying path '/nix/store/zi2bj2hlavv8q743li2s9diqbcpmrf9b-hello-2.12.3' from 'https://cache.nixos.org'...4building '/nix/store/yqlrfm3ai3f25iplmmj0w7741phx9k51-effect-env.drv'...5copying 1 paths...6copying path '/nix/store/s6143mxrgix7pilyaqp1w48zazbm2qxi-effect-env' from 'ssh-ng://nix@jamie'...7Running phase: initPhase8@nix { "action": "setPhase", "phase": "initPhase" }9Running phase: userSetupPhase10@nix { "action": "setPhase", "phase": "userSetupPhase" }11Running phase: effectPhase12@nix { "action": "setPhase", "phase": "effectPhase" }13{branch:main,rev:94762ae9d61f5ba2fb8849911d130f02204be1e2,tag:null}14Hello, world!