these 7 derivations will be built:
  /nix/store/2m95qki1ggz649f3q44mximrycxj098b-source.drv
  /nix/store/yzpxz7plmy94qcjwrlrqkmdvz90bbssl-cargo-src-bstr-1.13.1.drv
  /nix/store/zkc8izvnvxw3fsp45r2xvbxjfb2d194c-cargo-package-bstr-1.13.1.drv
  /nix/store/pwmf3qwnhy3khijwdpfgp0r17h48sp9l-vendor-registry.drv
  /nix/store/gvkha6hlvlk473dpv9ly9f9bmh3wrmja-vendor-cargo-deps.drv
  /nix/store/7r9adzzm1lxkkkcws797dnszg1rqd7r9-harmonia-deps-3.2.0.drv
  /nix/store/g0lq6pi6v5rw73xxx59pfjqkdjmpmh4n-harmonia-3.2.0.drv
Failed to find a machine for remote build!
derivation: 2m95qki1ggz649f3q44mximrycxj098b-source.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])