this derivation will be built:
  /nix/store/mmr90w1x7li79wykh7q4xqbmp6dyzjz1-nixbot-tests.drv
Failed to find a machine for remote build!
derivation: mmr90w1x7li79wykh7q4xqbmp6dyzjz1-nixbot-tests.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])