these 10 derivations will be built:
  /nix/store/j8r93bxvxzi55mv87mkm7kd4imlbj818-nixos-system-machine-test.drv
  /nix/store/q7vf1zn0jcw2j2bm5mq9avsd32iv2vrp-nixos-system-machine-test.drv
  /nix/store/gfkmxzz5wbvhjja24k14d50x2x85qlxc-closure-info.drv
  /nix/store/0gjy5b873wpp6crlfi18i58wsniapbbq-closure-info.drv
  /nix/store/l43d4zgxxwc8fl2vvkrmv0slchdg0d56-nixos-disk-image.drv
  /nix/store/bbnm29s3cabcslzcv3gvzqiis7cyi9qd-run-nixos-vm.drv
  /nix/store/w31df131yqbr3lwrxyzwaxm0kksdjyip-nixos-vm.drv
  /nix/store/9znlkh3r57snx41n1jp19gf83vmvxf95-driverConfiguration.json.drv
  /nix/store/9s0ivly435f5sfq6q1ihns7k06b6mr4j-nixos-test-driver-systemd-boot-specialisation.drv
  /nix/store/qq1y6sadwzdgvgz31h7p0cqh1jm7q0lv-vm-test-run-systemd-boot-specialisation.drv
building '/nix/store/j8r93bxvxzi55mv87mkm7kd4imlbj818-nixos-system-machine-test.drv'
nixos-system-machine-test> tribuchet: building on jamie
nixos-system-machine-test> structuredAttrs is enabled
building '/nix/store/q7vf1zn0jcw2j2bm5mq9avsd32iv2vrp-nixos-system-machine-test.drv'
nixos-system-machine-test> tribuchet: building on jamie
nixos-system-machine-test> structuredAttrs is enabled
building '/nix/store/gfkmxzz5wbvhjja24k14d50x2x85qlxc-closure-info.drv'
closure-info> tribuchet: building on jamie
closure-info> structuredAttrs is enabled
building '/nix/store/0gjy5b873wpp6crlfi18i58wsniapbbq-closure-info.drv'
closure-info> tribuchet: building on jamie
closure-info> structuredAttrs is enabled
building '/nix/store/l43d4zgxxwc8fl2vvkrmv0slchdg0d56-nixos-disk-image.drv'
nixos-disk-image> tribuchet: building on jamie
nixos-disk-image> tribuchet: remote build failed: no connected worker builds for system x86_64-linux
error: Cannot build '/nix/store/l43d4zgxxwc8fl2vvkrmv0slchdg0d56-nixos-disk-image.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rm116jb95hnf7839a54nhwmjradfl3sx-nixos-disk-image
       Last 2 log lines:
       > tribuchet: building on jamie
       > tribuchet: remote build failed: no connected worker builds for system x86_64-linux
       For full logs, run:
         nix log /nix/store/l43d4zgxxwc8fl2vvkrmv0slchdg0d56-nixos-disk-image.drv
error: Cannot build '/nix/store/bbnm29s3cabcslzcv3gvzqiis7cyi9qd-run-nixos-vm.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/canjh5z5b50cpawqn7ivjwynabyvnmlp-run-nixos-vm
error: Cannot build '/nix/store/w31df131yqbr3lwrxyzwaxm0kksdjyip-nixos-vm.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/8c6vmsm4i1p5zc3ybvnxcdjb6i65ns6y-nixos-vm
error: Cannot build '/nix/store/9znlkh3r57snx41n1jp19gf83vmvxf95-driverConfiguration.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/5f7w3aamm1rc9xlac44hrr90xw7zqjv1-driverConfiguration.json
error: Cannot build '/nix/store/9s0ivly435f5sfq6q1ihns7k06b6mr4j-nixos-test-driver-systemd-boot-specialisation.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/90b83phx0q98a8qcpwmdkcvkvnnr7iyd-nixos-test-driver-systemd-boot-specialisation
error: Cannot build '/nix/store/qq1y6sadwzdgvgz31h7p0cqh1jm7q0lv-vm-test-run-systemd-boot-specialisation.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/w2vjvnrzj9q1841zfpnqsfmkwzf93v1m-vm-test-run-systemd-boot-specialisation