these 2 derivations will be built:
  /nix/store/z35hxsn1ql44kcsybiba173iz1v5rksx-rootfs-ubuntu-26_04.tar.drv
  /nix/store/s1h05rcarbjway08d5vb0sd5kqsgvrj7-container-test-ubuntu-26-04-nix-remote-build.drv