these 2 derivations will be built:
  /nix/store/qm7hhg9jxhz85bmqva4h6gy6phjssk74-tui-test-0.1.1.drv
  /nix/store/6zs8dq2bz33a50cizhxy975s6ygx2ar5-check-tui-test.drv