these 2 derivations will be built:
  /nix/store/hmn7z5ydvv6pvsq7x2v3ja3zh410b3xs-semble-0.6.1.drv
  /nix/store/3kw01vxmfxdcgm0jk0l29fzwglrklc3r-check-semble.drv