these 2 derivations will be built:
  /nix/store/ii4gmnvff15id31hy2y6lwy9dvfmy4qy-nixos-test-driver-wrappers.drv
  /nix/store/5rldpz8nhl5iysqqdhva59r05kc58y1p-vm-test-run-wrappers.drv
cannot build on 'ssh-ng://nixbot-remote-build@78.232.36.247': error: failed to start SSH connection to '78.232.36.247'
Failed to find a machine for remote build!
derivation: ii4gmnvff15id31hy2y6lwy9dvfmy4qy-nixos-test-driver-wrappers.drv
required (system, features): (aarch64-linux, [])
3 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin], 2, [apple-virt, big-parallel, kvm, nixos-test], [])
([aarch64-linux], 4, [benchmark, big-parallel, kvm, nixos-test, uid-range], [kvm])
([aarch64-linux], 8, [benchmark, big-parallel, nixos-test, uid-range], [])
error: Cannot build '/nix/store/ii4gmnvff15id31hy2y6lwy9dvfmy4qy-nixos-test-driver-wrappers.drv'.
       Reason: platform mismatch
       Required system: 'aarch64-linux'
       Current system: 'x86_64-linux'
error: Cannot build '/nix/store/5rldpz8nhl5iysqqdhva59r05kc58y1p-vm-test-run-wrappers.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/z1p6bj4iyfzcx2cks593fj5w7ynnd79x-vm-test-run-wrappers