this derivation will be built:
  /nix/store/inv7vks2cyz70hy0fcdxgg9pfca8ba7j-vm-test-run-nixbot-gitlab.drv
error: Cannot build '/nix/store/inv7vks2cyz70hy0fcdxgg9pfca8ba7j-vm-test-run-nixbot-gitlab.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/n0hzd2ic2b8rwg5pgahwkzncvvkn7xiv-vm-test-run-nixbot-gitlab
       Last 9 log lines:
       > tribuchet: building on jamie
       > Machine state will be reset. To keep it, pass --keep-machine-state
       > start all VLans
       > (finished: start all VLans, in 0.00 seconds)
       > Test will time out and terminate in 3600 seconds
       > run the VM test script
       > start all VMs
       > gitlab: starting vm
       > tribuchet worker error: build cancelled
       For full logs, run:
         nix log /nix/store/inv7vks2cyz70hy0fcdxgg9pfca8ba7j-vm-test-run-nixbot-gitlab.drv