these 5 derivations will be built:
  /nix/store/1fr231v4qv19fvzkhzbyrgzfvbvjy81n-omnigraph-server-wait-ready.drv
  /nix/store/5fmn2aala8xq4xwkxjbrm06dmjpnzgk2-omnigraph-server-wait-ready.drv
  /nix/store/8zag046jc6dwwfy3q4nlcl9v34ikkkpg-readyz-stub.py.drv
  /nix/store/dkcjzcbaash4lsivzpcwvkj3x5cg7p23-omnigraph-server-wait-ready.drv
  /nix/store/lx9xx9zfbrvilbg9nqf0navdgag58y0w-omnigraph-readiness-rehearsal.drv