this derivation will be built:
  /nix/store/xchr7zp13l7bggrabdir4k17xmf1d2yk-mkEffect-root.drv
building '/nix/store/wgj3wm03li8xr72yjn4zfbjlr4jmy8lh-nixbot-pr-comment.drv'...
building '/nix/store/793hh9kdq7xlnqi6mpnamx0sypfilxzg-hercules-ci-effect-sh.drv'...
building '/nix/store/i8k0fwpng46fcvnznvdx57bzpjz4rcjp-gc-env.drv'...
event: push actor= pr=
gc: step 1/1