these 3 derivations will be built:
  /nix/store/rz44li5ghnvvkzk9dv63x2ijssbpxiw3-pythoncheck.sh.drv
  /nix/store/wgj3wm03li8xr72yjn4zfbjlr4jmy8lh-nixbot-pr-comment.drv
  /nix/store/f67yclayizg2rpz47zy1gkhhblc3q95a-inputDerivation-teardown.drv
building '/nix/store/f67yclayizg2rpz47zy1gkhhblc3q95a-inputDerivation-teardown.drv'...