these 2 derivations will be built:
  /nix/store/r5s2ij9wgxi7vhf3nrgb4d1mvnb57i4n-container-test-driver-0.0.1.drv
  /nix/store/7klfx4a2lvns1ysqfib0kzp8cqq3lv3r-container-test-debian-13-environment-variables.drv