these 4 derivations will be built:
  /nix/store/b8nn22s96xg86zz4dkabm8sqzhsww3lb-test-script.drv
  /nix/store/hdz1k0jd21ikxd1ncp0rsiw0vq5vh26z-driverConfiguration.json.drv
  /nix/store/j7whplm8fj40y7jx6whmp0qypsjcirpr-nixos-test-driver-gc.drv
  /nix/store/jfpc37afc301b9r7la96xm2n19f7vzhx-vm-test-run-gc.drv
building '/nix/store/b8nn22s96xg86zz4dkabm8sqzhsww3lb-test-script.drv'
test-script> tribuchet: building on eliza
building '/nix/store/hdz1k0jd21ikxd1ncp0rsiw0vq5vh26z-driverConfiguration.json.drv'
driverConfiguration.json> tribuchet: building on eliza
driverConfiguration.json> structuredAttrs is enabled
building '/nix/store/j7whplm8fj40y7jx6whmp0qypsjcirpr-nixos-test-driver-gc.drv'
nixos-test-driver-gc> tribuchet: building on eliza