this derivation will be built:
  /nix/store/n90a50f1fcfz14n2hs0bzg4vcrl8mmwc-fast-1.drv
cannot build on 'ssh-ng://nix@eliza': error: failed to start SSH connection to 'eliza'
Failed to find a machine for remote build!
derivation: n90a50f1fcfz14n2hs0bzg4vcrl8mmwc-fast-1.drv
required (system, features): (aarch64-linux, [])
3 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
([i686-linux, x86_64-linux], 128, [big-parallel, kvm, nixos-test, recursive-nix, uid-range], [])
([aarch64-linux], 128, [big-parallel, kvm, nixos-test, recursive-nix, uid-range], [])
error: Cannot build '/nix/store/n90a50f1fcfz14n2hs0bzg4vcrl8mmwc-fast-1.drv'.
       Reason: platform mismatch
       Required system: 'aarch64-linux'
       Current system: 'x86_64-linux'